What is *Toyota Production System* by Taiichi Ohno about?

*Toyota Production System* details the groundbreaking manufacturing methodology developed by Taiichi Ohno, focusing on eliminating waste through Just-in-Time production and autonomation (Jidoka). It explains how Toyota revolutionized efficiency by aligning production with demand, minimizing inventory, and empowering workers to halt processes when defects arise. The book also contrasts Toyota’s flexible system with traditional mass production, emphasizing continuous improvement (Kaizen) and respect for employees.

Who should read *Toyota Production System*?

This book is essential for manufacturing professionals, supply chain managers, Lean practitioners, and business leaders seeking to optimize operations. Students of industrial engineering or operations management will gain historical context, while entrepreneurs can apply its principles to reduce costs and improve quality. It’s also valuable for anyone interested in operational excellence beyond automotive industries.

Is *Toyota Production System* by Taiichi Ohno worth reading?

Yes—it’s a foundational text for understanding Lean manufacturing, praised for its practical insights into waste reduction and process efficiency. Ohno’s firsthand account of developing TPS offers timeless strategies applicable to modern industries like tech, healthcare, and logistics. Its concise, example-driven style makes complex concepts accessible.

What are the two main principles of the Toyota Production System?

The system rests on **Just-in-Time (JIT)** production, which aligns manufacturing with real-time demand, and **Jidoka** (autonomation), which integrates human oversight into automation to prevent defects. JIT reduces inventory costs, while Jidoka ensures quality by stopping processes automatically when issues arise. Together, they form the “pillars” of TPS.

How does Just-in-Time (JIT) production work according to Taiichi Ohno?

JIT produces items only when needed, in exact quantities, minimizing excess inventory. Ohno implemented this via a pull system—downstream processes signal upstream stages to replenish parts—and synchronized supplier networks. For example, Toyota’s factories reduced setup times to enable small batches, cutting storage costs and exposing inefficiencies.

What is autonomation (Jidoka) in the Toyota Production System?

Jidoka combines automation with human intervention: machines detect defects (e.g., a thread breaking on a loom) and stop automatically, allowing workers to address root causes. This prevents defective products and frees employees to manage multiple machines. Ohno contrasts this with rigid, unionized workflows in traditional manufacturing.

How does Toyota’s approach differ from traditional mass production?

While Ford’s system prioritized large-scale output and standardized tasks, Toyota emphasized flexibility, small batches, and worker autonomy. Ohno criticized mass production for overburdening workers and creating waste (e.g., excess inventory). TPS instead focuses on streamlining flow, reducing setup times, and empowering employees to innovate.

What are the key takeaways from *Toyota Production System*?

- **Eliminate waste** (muda) in overproduction, waiting, and defects. - **Standardize processes** for consistent quality. - **Empower workers** to stop production and solve problems. - **Build supplier partnerships** for JIT delivery. - **Continuous improvement** (Kaizen) through incremental changes.

トヨタ生産方式

大規模生産を超えて

大野耐一

4.11(2007 Reviews)

『トヨタ生産方式』の概要

トヨタが、あらゆる業界を超越した大野耐一氏の画期的なシステムによって、いかに製造業に革命を起こしたかをご覧ください。ヘルスケア、ソフトウェア開発、そしてグローバルなビジネス運営を変革した「リーン」の原則は、今もなお世界中のリーダーたちに影響を与え続けています。あなたの生活の中で、排除すべき無駄なプロセスは何ですか？

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第1章

The Revolution That Changed Manufacturing Forever

In the late 1940s, a determined production manager at Toyota Motor Company made a startling declaration: Japanese workers could match the productivity of their American counterparts by eliminating waste rather than simply working faster. This bold claim by Taiichi Ohno would eventually transform global manufacturing. While Western manufacturers chased automation miracles and computer-integrated solutions, Ohno focused on a deceptively simple principle: "Look at the timeline from customer order to cash collection, and remove non-value-added wastes." This philosophy became the Toyota Production System (TPS), now studied by business schools worldwide and implemented by companies across industries. When the 1973 oil crisis devastated global markets, Toyota maintained profitability while competitors faltered, proving the system's resilience. Today, companies from Amazon to Zara have adapted Ohno's principles, and the book detailing his methods has been translated into over 26 languages, becoming required reading for operations managers and manufacturing engineers globally.

第2章

Born from Necessity: The Origins of Toyota's Revolutionary System

The Toyota Production System wasn't created in a laboratory or business school-it emerged from dire necessity in post-war Japan. While American manufacturers thrived with mass production of limited car models, Japanese automakers faced a fundamentally different challenge: how to produce small quantities of many vehicle types profitably in a domestic market with limited demand. "Catch up with America in three years," declared Toyoda Kiichiro after Japan's defeat in 1945, recognizing that the Japanese automobile industry wouldn't survive otherwise. At that time, productivity comparisons suggested one American worker could do the work of nine Japanese workers. This stark reality prompted a revolutionary question: Were Japanese workers wasting effort? If so, eliminating this waste could theoretically increase productivity tenfold-the foundational insight of the Toyota Production System. Traditional manufacturing wisdom followed the Maxcy-Silberston curve, which showed costs decreasing as production quantities increased. This principle drove American mass production, but Toyota couldn't apply it in Japan's limited market. Instead of blindly imitating American methods, Toyota developed a uniquely Japanese approach focused on making many models in small quantities without sacrificing efficiency. The system remained relatively unknown until the 1973 oil crisis exposed its strength. While other companies struggled during the subsequent recession, Toyota maintained higher earnings. The crisis revealed a fundamental shift in global economics-the end of predictable business cycles with brief recessions followed by years of prosperity. Instead, the world entered an era of "slow growth" characterized by brief periods of expansion followed by prolonged stagnation. This new reality made traditional mass production systems impractical. Companies could no longer rely on the simple formula that "if you make it, you can sell it." The Toyota Production System, designed specifically for producing small quantities of many varieties, suddenly became relevant not just for Japan but for manufacturers worldwide facing similar market conditions. What's remarkable is how Toyota's system emerged organically through necessity rather than theoretical planning. Each component-just-in-time delivery, kanban cards, quick changeovers, production leveling-developed as practical solutions to specific problems. The system wasn't imposed from above but built block by block from the factory floor up, driven by the need to eliminate waste and compete with American efficiency despite Japan's resource limitations.

聴きながら、すべての言葉を目で追えます

『トヨタ生産方式』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

Just-In-Time: The First Pillar of Toyota's System

At the heart of Toyota's production system stands the revolutionary concept of just-in-time delivery-ensuring parts reach assembly lines exactly when needed and only in required amounts. This seemingly simple idea represents a fundamental reversal of conventional manufacturing logic and serves as the first pillar supporting Toyota's entire system. Traditional manufacturing uses a "push" method where earlier processes produce parts according to schedules and forecasts, then "push" them forward to later processes regardless of immediate needs. This inevitably creates excess inventory-parts waiting to be used-which Toyota recognized as waste. Inventory ties up capital, requires storage space, can become obsolete, and most dangerously, hides problems in the production process. After much contemplation, Ohno reversed this conventional material flow. Instead of earlier processes pushing materials forward, later processes would go to earlier ones to withdraw only what they needed when needed. This "pull" system uses kanban (sign boards) to communicate what parts are required and in what quantities. "The later process will go to the earlier process and withdraw the needed items at the time and in the quantity needed," Ohno explains. "The earlier process produces only enough units to replace those that have been withdrawn." Starting from the final assembly line, each process withdraws from preceding processes only what's needed, creating a synchronized chain working backward from finished products to raw materials. This approach drastically reduces management overhead while preventing overproduction. Implementing just-in-time wasn't simply a matter of changing procedures-it required a revolution in consciousness. Traditional manufacturing mindsets valued keeping inventory as security, a cultural holdover from agricultural societies where storing rice protected against disasters. Modern industry, Ohno argued, must develop the courage to procure only what is needed, when needed, in the amount needed. The just-in-time system creates a factory that functions like the human body's autonomic nervous system, automatically responding to problems. When one process stops due to a quality issue, all connected processes quickly feel the impact-there's no inventory buffer to hide behind. This immediate feedback forces immediate problem-solving rather than allowing issues to accumulate. Implementing this system required extraordinary patience and persistence. Toyota spent nearly 20 years refining the approach, gradually expanding it from one department to the entire company before teaching it to suppliers. The system faced psychological resistance from workers accustomed to maximizing production and technical challenges like frequent setup changes. Yet Ohno persisted, convinced that eliminating waste through just-in-time delivery was the only way Toyota could compete globally.

第4章

Autonomation: Giving Machines Human Intelligence

The second pillar supporting Toyota's production system is autonomation-not simple automation, but automation with a human touch. This concept originated with Toyoda Sakichi's auto-activated loom that stopped automatically when threads broke, preventing the production of defective fabric. "Autonomation changes the meaning of management," Ohno explains. "The intent of autonomation is to separate workers from machines through mechanisms that detect production abnormalities. This allows one worker to operate several machines, dramatically increasing production efficiency." Traditional automation focuses on having machines replace human labor in normal operations. Toyota's autonomation instead focuses on having machines detect abnormal conditions and stop themselves, requiring human intervention only when problems occur. This fundamental difference changes how workers interact with equipment. Toyota equips machines with automatic stopping devices, safety features, and foolproofing systems to prevent defects. When abnormalities appear-defective parts, equipment malfunctions, or worker errors-machines immediately stop, triggering visual or audio signals that alert operators to the problem. This approach serves dual purposes: eliminating overproduction waste and preventing defective products. By stopping immediately when problems arise, autonomated machines prevent the continued production of defective items. The stoppage also creates immediate awareness of the issue, forcing immediate resolution rather than allowing problems to accumulate. Even on manual production lines, Toyota applies this principle by empowering workers to stop production when they detect abnormalities. This authority represents a radical departure from traditional manufacturing where production continuity was prioritized above all else. At Toyota, temporarily stopping production to address problems is considered an investment in long-term efficiency. Autonomation fundamentally changes management's role. Instead of constantly monitoring normal operations, managers focus on abnormalities and improvements. The system distinguishes clearly between normal and abnormal conditions, making problems immediately visible through visual control systems like andon boards (illuminated displays showing production status). Implementing autonomation depends on managers giving human intelligence to machines while adapting human operations to autonomous equipment. In the Toyota system, autonomation represents individual skill while just-in-time represents teamwork-like baseball players who each master their positions but work together seamlessly. The true power of Toyota's production line comes from the synergy between just-in-time and autonomation working together. Just-in-time creates flow and exposes problems, while autonomation provides the means to detect and address those problems immediately. Together, they form a self-improving system that continuously identifies and eliminates waste.

『トヨタ生産方式』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第5章

The Seven Wastes: Identifying What Adds No Value

At Toyota, efficiency means cost reduction through waste elimination-the only way to obtain profit in competitive markets. Ohno identified seven specific types of waste that add cost without adding value: 1. Overproduction: Making more than needed or making items before they're required. Ohno considers this the worst waste because it causes most other wastes. Producing ahead of demand requires storage, transportation, and management of unnecessary inventory. 2. Waiting: Time spent by workers watching machines run or waiting for materials, tools, or information. This represents pure waste of human potential. 3. Transportation: Unnecessary movement of materials between processes or storage locations. While some transportation is necessary, excessive movement adds no value to the product. 4. Processing itself: Unnecessary or inefficient processing steps that don't add value from the customer's perspective. This includes using complex equipment when simpler tools would suffice. 5. Inventory: Excess raw materials, work-in-process, or finished goods. Beyond the minimum needed for just-in-time operations, inventory represents tied-up capital and hides problems. 6. Movement: Unnecessary motion by workers during the course of their work. This includes reaching for distant tools, bending, or walking between operations. 7. Defective products: Products that don't meet specifications require rework or scrapping, wasting materials and labor. Through close observation, Ohno divided worker movements into waste (needless, repetitious movements requiring immediate elimination) and work (both non-value-added and value-added). Non-value-added work includes necessary actions under current conditions, like walking to get parts or pushing buttons. Value-added work involves actual processing that changes materials or parts into products with added value. "The ratio of value-added work is typically lower than most realize," Ohno notes. "Manpower reduction means raising this ratio toward the ideal 100% value-added work." Identifying these wastes requires scientific inquiry and continuous questioning. Ohno advocated asking "why" five consecutive times when confronted with problems to discover root causes hidden behind symptoms. Using the example of a stopped machine, he shows how this method reveals that a blown fuse was caused by an overload, which occurred because bearings weren't lubricated properly due to a defective pump shaft worn by metal scrap-the actual root cause. Without this thorough investigation, one might simply replace the fuse or shaft, allowing the problem to recur. This scientific approach forms the foundation of the Toyota production system, leading to lasting solutions rather than temporary fixes. The outdated formula "selling price = profit + actual cost" has no place in today's competitive market where consumers determine a product's value regardless of manufacturing costs. Cost reduction through waste elimination becomes the only reliable path to profitability.

第6章

Kanban: The Communication Tool That Powers the System

Kanban-typically a paper card in a vinyl envelope-is the operating method that makes Toyota's production system work. While often mistakenly considered synonymous with the Toyota Production System itself, kanban is actually just the communication tool that enables just-in-time production. Ohno borrowed this concept from American supermarkets in the 1950s. A supermarket provides customers exactly what they need, when needed, in the amount needed-a principle Toyota applied to manufacturing. The earlier process in a production line functions as a "store" where the later process (customer) acquires required parts at the time and quantity needed, with the earlier process immediately producing to replace what was taken. Kanban cards carry three types of information: pickup instructions, transfer details, and production requirements. They move information vertically and laterally within Toyota and between Toyota and suppliers. Like supermarket purchase tracking, withdrawal kanban signals what items were taken, while production kanban tells the production department what to make. At a glance, kanban provides critical information: production quantity, time, method, sequence, transfer details, storage points, equipment needs, and container specifications. Unlike conventional production orders where early delivery is acceptable, kanban enforces strict "just-in-time" principles, completely preventing overproduction. Six rules govern kanban use: 1. Later processes withdraw only what's needed from earlier processes 2. Earlier processes produce only the quantity withdrawn 3. Defective items never advance to later processes 4. Kanban must always accompany physical items 5. The number of kanban should be minimized 6. Kanban must be used to adapt to small fluctuations in demand When faithfully practiced, these rules transform kanban from a simple card into a comprehensive management system. It creates immediate accountability for quality issues: since just-in-time processes have no extra inventory, defective parts immediately stop the next process, creating visible embarrassment that prevents recurrence. Physical objects can also serve as kanban. In Toyota's main plant, carrying carts with limited capacity transport assembled engines to the final assembly line. When all carts are full, engine assembly must stop-automatically preventing overproduction. Even without physical cards, earlier and later processes can establish effective communication by agreeing on the number of carts and pickup rules. Contrary to misconceptions, kanban is not inflexible or limited to parts processed in stable quantities. The system effectively managed balance weights for propeller shafts-one of the most challenging production scenarios where usage is highly irregular. This demonstrates kanban's remarkable flexibility even for special parts where usage seems unpredictable. Implementing kanban requires establishing continuous production flow first. After World War II, Toyota focused initially on quality, then on producing exact quantities needed, and only after the oil crisis began teaching the kanban system to suppliers. The groundwork of creating continuous flow must precede kanban implementation-without this concept, adopting kanban is nearly impossible.

聴きながら、すべての言葉を目で追えます

『トヨタ生産方式』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

Production Leveling: Making Mountains Low and Valleys Shallow

For kanban to work effectively, earlier processes must produce only what later processes withdraw. If withdrawal is uneven in timing or quantity, earlier processes require excess capacity-a heavy burden. The greater the fluctuation, the more excess capacity needed. Since Toyota's production system synchronizes not just internal processes but also outside suppliers through kanban, fluctuations in final assembly negatively impact all earlier processes. To prevent this, Toyota practices production leveling (load smoothing)-lowering peaks and raising valleys to create smooth flow. "Mountains should be low and valleys should be shallow," Ohno explains, using a geographical metaphor to describe the ideal production pattern. At Toyota's Tsutsumi plant, production leveling means different models flow alternately on the same line rather than batching them by time of day. Even when producing 10,000 Coronas monthly, they arrange them in a mixed sequence-sedan, hardtop, sedan, wagon-to minimize lot size and fluctuation. This fine-tuned production demonstrates that earlier processes like die press have broken from traditional mass production methods. Initially, reducing lot sizes created challenges, as conventional wisdom favored continuous punching with one die. To accommodate smaller lots, dies must be changed frequently, requiring rapid setup procedures. Toyota reduced die change times from 2-3 hours in the 1940s to just 3 minutes by the late 1960s by eliminating adjustments and training workers specifically for quick changeovers. This required intense commitment from everyone at Toyota and its suppliers. Production leveling responds better to market diversity than planned mass production. Diversification makes leveling more difficult, but the Toyota system can handle this challenge with proper effort. The key is avoiding dedicated facilities in favor of versatile equipment. With the Corolla (the world's largest mass-produced car in 1978), monthly production is divided by available work days to determine daily output. On the line, sedans and coupes flow in mixed sequence rather than batches. While dedicated lines for each model would simplify leveling, space and equipment constraints make this impossible. Instead, Toyota creates flexible lines that can assemble different models in any sequence, using machines and jigs that handle minimal quantities while maintaining mass production benefits. This approach keeps diversification and leveling in harmony while responding promptly to customer orders. It enables fine adjustments within certain limits, a crucial capability in responding to constantly fluctuating markets. Since production lines don't have detailed schedules beforehand, they adapt naturally to changing ratios of product types.

第8章

The Human Element: Teamwork and Respect for People

While the Toyota Production System is often described in terms of its technical elements-kanban cards, just-in-time delivery, autonomation-its true foundation lies in respect for humanity. This principle, passed down from Toyoda Sakichi to his son Kiichiro, shapes every aspect of the system. Unlike American factories where workers often just watch machines, Japanese manufacturing respects humanity in the production process. The closer Toyota came to eliminating waste, the clearer they saw individual human personalities. The system recognizes that workers are not interchangeable parts but unique individuals with creative potential. Breaking machine-shop traditions where operators were fixed to specific jobs was challenging but necessary. In 1947, Toyota arranged machines in parallel lines or L-shapes, allowing one worker to operate multiple machines along the processing route. This radical departure from the "one operator, one machine" system to "one operator, many machines in different processes" met strong resistance from craftsmen. Standard work sheets became crucial elements of Toyota's visual control system, effectively combining materials, workers, and machines for efficient production. These sheets clearly list three essential elements: cycle time (time allotted to make one unit), work sequence (the order of operations), and standard inventory (minimum work-in-process needed). Ohno emphasizes that standards should not be imposed from above but set by production workers themselves. He quotes Ford's warning against fixed standards that might bar progress, noting Ford's belief that standardization knowledge must come from inside manufacturing units, not outside authorities. While Japan traditionally valued individual mastery in activities like sumo, kendo, and judo, modern industry demands teamwork over individual craftsmanship. Ohno uses sports analogies to illustrate effective teamwork: in an eight-person rowing boat, uneven effort by one rower disrupts the boat's progress; similarly in manufacturing, success depends not on individual output but on the line's total completion rate. He compares manufacturing to a relay race where proper baton-passing is crucial for success. If an operator falls behind, others should help set up their machine, then return to their positions when the work area normalizes. This "Mutual Assistance Campaign" generates powerful teamwork despite individual differences in work speed. A business organization functions like the human body, requiring both autonomic and motor nerves. At Toyota, they've implemented an "autonomic nervous system" that enables workers to make judgments independently at the lowest possible level-deciding when to stop production, what sequence to follow for parts, or when overtime is necessary. These decisions can be made by factory workers without consulting production control or engineering departments. The Toyota production system is not just a production method but a management system that maximizes human creativity, utilizes facilities effectively, and eliminates all waste. It recognizes that true efficiency comes not from machines alone but from the synergy between human intelligence and technical systems.

『トヨタ生産方式』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第9章

The Legacy of Two Extraordinary Characters

The Toyota production system rests on the legacy of two extraordinary men: Toyoda Sakichi and his son Kiichiro. Their unyielding spirits and visionary thinking created the foundation for what would become a global manufacturing revolution. Autonomation came from Toyoda Sakichi's auto-activated loom that stopped automatically when threads broke. This embodied the principle that machines must work for people through human intelligence. Sakichi's observational method-watching a grandmother weave all day until understanding the loom's operation-inspired Ohno's practice of asking "why" five times. Sakichi was a remarkable inventor who worked independently without reference materials or formal education. He developed over one hundred patents through intense concentration and observation-"staring at an object until a hole is almost bored through it." His inventive process was deeply practical rather than theoretical, yet his designs adhered to scientific principles. Just-in-time came directly from Toyoda Kiichiro, who grasped the automobile's potential during his 1910 American visit. Kiichiro established "Toyotaism" with five core conditions: provide cars for the general public, perfect the passenger car industry, make reasonably priced cars, recognize sales' importance in manufacturing, and establish basic material industries. Kiichiro's mission was developing a uniquely Japanese production technique rather than simply importing America's mass-production system. "Japanese people are adept with their hands and training will be no problem. In the near future, I am certain we can make better cars for less than foreign manufacturers," he declared. Both Toyoda men possessed extraordinary strategic vision, viewing business with a chessplayer's perspective-seeing the entire board while planning precise moves. Unlike those who get lost in details, they maintained an overview while working in production. Sakichi's mission was "to cultivate and train the natural intellect of the Japanese people, sell original Japanese products produced by this intellect, and increase the national wealth of Japan." His auto-activated loom, developed entirely by Japanese people over twenty-five years, embodied this philosophy. The famous sale of Sakichi's loom patent to Platt Brothers of England for 1 million yen funded automobile research, demonstrating his belief that Japan needed to develop its own creative technology rather than merely imitating foreign products. The bedridden Sakichi instructed Kiichiro to use the patent money for automobile research-"an amazing act of courage and foresight." While Kiichiro studied American production methods, he declared in 1933: "We shall learn production techniques from the American method of mass production. But we will not copy it as is. We shall use our own research and creativity to develop a production method that suits our own country's situation." This philosophy became the foundation for just-in-time production, representing the beginning of a uniquely Japanese approach that would evolve through what Ohno calls "dialectic evolution." When Kiichiro passed away in March 1952, just before Toyota's automobile enterprise reached full-scale operation, it was a tremendous loss. Ohno believes just-in-time was Kiichiro's dying wish to them-a legacy that would transform not just Toyota but global manufacturing.

第10章

Surviving in a Changing World

The Toyota Production System wasn't just designed for high-growth periods-it proved its true value during economic downturns. While many manufacturing systems flourish when demand is strong, Toyota's approach excels in challenging times by adapting to changing market conditions. The 1973 oil crisis forced Toyota to reduce production for the first time since the 1930s, causing profits to plummet across Japanese industry. This revealed problems with autonomated machines that required fixed numbers of operators regardless of production volume. Even with production cut by half, machines still needed the same number of workers-a major handicap when responding to changing production needs. Toyota's next step was to demolish the fixed-worker system by developing flexible production lines where, for example, four workers could operate a five-worker line at 80% capacity if someone was absent. This required improvements in plant layout, equipment, and multi-skilled worker training during normal times. Fine adjustment capabilities enable automatic adaptations within certain limits, a crucial capability in responding to constantly fluctuating markets. Since production lines don't have detailed schedules beforehand, they adapt naturally to changing ratios of product types. Without this flexibility, companies might ignore small market fluctuations until forced to make dramatic production cuts months later, causing serious problems both internally and for suppliers. While computers offer tremendous calculation power, they often provide more information than needed, faster than needed. This excess information, like overproduction, creates waste and confusion. Toyota uses computers as tools for planning production leveling and calculating parts requirements, but rejects dehumanization and higher costs they can cause. The Toyota production system applies just-in-time principles to information flow, delivering exactly what's needed when it's needed. Ohno consistently maintained that production could be done with half as many workers, emphasizing that while many could increase productivity during high growth, few could raise it when quantities decreased. In 1966 when producing the Corolla, Toyota started with 80 workers making 5,000 units. When asked how many workers needed for 10,000 units, the engine section head answered "160 workers." Ohno yelled at him for simple multiplication rather than improvement. Before long, 100 workers were making over 10,000 units through waste elimination. As Ohno concluded his book in the late 1970s, he expressed concern about Japan's economy facing serious international problems regarding the yen, noting that the automobile industry's recent export-driven growth had reached its limit. He urged Japanese industry to quickly abandon mass production and transition based on bold ideas, hoping the Toyota production system might become a useful tool for generating these changes. His foresight proved accurate. The system he developed not only helped Toyota weather subsequent economic storms but became a model for manufacturers worldwide seeking to survive in increasingly competitive global markets with fluctuating demand. The principles of waste elimination, just-in-time production, and respect for human potential remain as relevant today as when Ohno first developed them decades ago.

★★★★★

『トヨタ生産方式』を最後まで読み終えました

100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

jayallen

『トヨタ生産方式』の主要テーマ

waste elimination
just-in-time manufacturing
pull production systems
kanban methodology
inventory reduction

『トヨタ生産方式』の名言

The basis of the Toyota production system is the absolute elimination of waste.
Costs do not exist to be calculated. Costs exist to be reduced.
Inventory is the root of all evil.
Without standards, there can be no improvement.

『トヨタ生産方式』の登場人物

Taiichi OhnoToyota production manager and creator of TPS
Toyoda KiichiroToyota executive who called for catching up to USA

著者について

『トヨタ生産方式――脱規模の経営をめざして』の著者である大野耐一は、リーン生産方式およびトヨタ生産方式（TPS）の先駆的な設計者として称えられています。1912年生まれの日本人インダストリアル・エンジニアである大野は、第二次世界大戦後のトヨタ自動車において昇進を重ね、ジャスト・イン・タイム（JIT）生産やかんばん方式といった基礎的な手法を創出することで、製造業に革命をもたらしました。

オペレーション・マネジメント文学の金字塔である彼の著書は、無駄の排除、効率の最適化、そして継続的な改善（カイゼン）の促進について深く掘り下げています。これらの原則は彼のキャリアを定義づけ、世界の産業構造を再編しました。

大野の専門性は、トヨタにおける数十年にわたる現場でのリーダーシップから生み出されたものであり、彼は生産現場を精密さと適応力のモデルへと変貌させました。彼の功績は製造業の枠を超え、ヘルスケアやソフトウェア開発などの分野にも影響を与えており、現在もビジネス教育における主要な題材となっています。

『トヨタ生産方式』は20以上の言語に翻訳されており、リーン手法を普及させたMITの画期的な研究書『リーン生産方式が、世界の自動車産業をこう変える（原題: The Machine That Changed the World）』などでも引用されています。時代を超えたリソースである本書は、オペレーショナル・エクセレンスを追求する組織を導き続けており、産業工学における先見の明を持った人物としての大野の遺産を確固たるものにしています。

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Lead 8 Plants: Principles & Management Prep

This learning plan provides a comprehensive roadmap for mastering modern manufacturing leadership and operational efficiency. It is designed for plant managers and industrial leaders seeking to implement world-class lean strategies and drive cultural transformation across complex production environments.

5 h 34 m•4 セクション

学習プラン

Energy First: The Sustainable Productivity System

Traditional time management often ignores the biological reality of human performance, leading to burnout. This system is designed for high-performers and knowledge workers who need to optimize their cognitive output while maintaining long-term health and focus.

2 h•4 セクション

学習プラン

The High-Performance Delivery System

This system is designed for leaders and high-performers struggling with burnout and operational bottlenecks. It provides a structural framework to move from reactive firefighting to proactive, outcome-driven delivery.

1 h 36 m•4 セクション

学習プラン

Lead ENTP Change in Pacesetting Mfg Ops

Manufacturing leaders with ENTP personalities often struggle to balance their visionary drive with operational discipline. This plan bridges that gap by combining strategic change frameworks with Lean Six Sigma and emotional intelligence to build high-performance teams.

5 h 19 m•4 セクション

学習プラン

Books on production-consumption disconnect

This learning plan reveals how our separation from production processes drives mindless overconsumption and environmental harm. It's ideal for conscious consumers, sustainability advocates, and anyone seeking to develop more intentional relationships with material goods.

5 h 11 m•4 セクション

学習プラン

The One-Problem Product Blueprint

This blueprint is essential for entrepreneurs and creators who struggle with over-engineering products that nobody buys. It provides a lean framework to move from identifying raw pain points to securing paid validation with minimal wasted effort.

1 h 12 m•3 セクション

学習プラン

Digital Transformation: Systems Over Software

This plan is essential for leaders and entrepreneurs who feel stuck in reactive cycles and want to build scalable operations. It bridges the gap between simply using digital tools and architecting a business that improves itself through systems thinking.

2 h•4 セクション

コロンビア大学卒業生がサンフランシスコで開発

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4.7

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117

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@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

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254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第9章

トヨタ生産方式

概要『トヨタ生産方式』の概要

1冊の本。さまざまな聴き方。

The Revolution That Changed Manufacturing Forever

Born from Necessity: The Origins of Toyota's Revolutionary System

聴きながら、すべての言葉を目で追えます

Just-In-Time: The First Pillar of Toyota's System

Autonomation: Giving Machines Human Intelligence

『トヨタ生産方式』をもっと深く楽しむ

The Seven Wastes: Identifying What Adds No Value

Kanban: The Communication Tool That Powers the System

聴きながら、すべての言葉を目で追えます

Production Leveling: Making Mountains Low and Valleys Shallow

The Human Element: Teamwork and Respect for People

『トヨタ生産方式』をもっと深く楽しむ

The Legacy of Two Extraordinary Characters

Surviving in a Changing World

『トヨタ生産方式』を最後まで読み終えました

『トヨタ生産方式』の主要テーマ

『トヨタ生産方式』の名言

『トヨタ生産方式』の登場人物

著者について

トヨタ生産方式の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Toyota Production System by Taiichi Ohno about?

Who should read Toyota Production System?

Is Toyota Production System by Taiichi Ohno worth reading?

What are the two main principles of the Toyota Production System?

この学習プランの一部

Mfg 5.0, IE & GenAI: Boosting Productivity

Lead 8 Plants: Principles & Management Prep

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Revolution That Changed Manufacturing Forever

Born from Necessity: The Origins of Toyota's Revolutionary System

聴きながら、すべての言葉を目で追えます

Just-In-Time: The First Pillar of Toyota's System

Autonomation: Giving Machines Human Intelligence

『トヨタ生産方式』をもっと深く楽しむ

The Seven Wastes: Identifying What Adds No Value

Kanban: The Communication Tool That Powers the System

聴きながら、すべての言葉を目で追えます

Production Leveling: Making Mountains Low and Valleys Shallow

The Human Element: Teamwork and Respect for People

『トヨタ生産方式』をもっと深く楽しむ

The Legacy of Two Extraordinary Characters

Surviving in a Changing World

『トヨタ生産方式』を最後まで読み終えました

他のユーザーのお気に入り

この学習プランの一部

Mfg 5.0, IE & GenAI: Boosting Productivity

Lead 8 Plants: Principles & Management Prep

もっと見る

『トヨタ生産方式』の概要