Toyota's success made the world take notice. In the 1990s, a team of researchers from MIT coined the term to describe Toyota's methods. As Taiichi Ohno's book "Toyota Production System: Beyond Large-Scale Production" (published in 1988) became a blueprint, TPS principles spread to every major industry, giving birth to the global Lean management movement. The concept of Lean is now synonymous with efficiency, waste reduction, and continuous improvement across healthcare, software, and logistics.
The early TPS was influenced by the work of Henry Ford, who had pioneered the concept of mass production in the early 20th century. However, Ohno and his team recognized that Ford's system had limitations, particularly in terms of its inflexibility and inability to accommodate changing customer needs. To address these limitations, Ohno developed the concept of "just-in-time" (JIT) production, which aimed to produce and deliver products just in time to meet customer demand.
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The most authoritative source on this topic is the comprehensive research by Takahiro Fujimoto, often referenced in the context of the book The Evolution of a Manufacturing System at Toyota , which provides a detailed analysis of how Toyota developed its unique, high-performance manufacturing capabilities. 1. The Roots of the System: Necessity Breeds Innovation
An essential, often overlooked step in the evolution was the transition from paper-based tracking to a fully digitalized BOM. By the early 21st century, managing over 20,000 parts per car required advanced systems, enabling Toyota's global expansion and superior communication network. C. The Shift to High-Variety Production (1980s–1990s) Toyota's success made the world take notice
In the post-World War II era, Japan faced a severe shortage of capital, resources, and demand. Unlike American automakers, who operated under high-volume, low-variety conditions, Toyota needed to produce a wide variety of vehicles in small quantities.
Beyond Lean: The Evolutionary Anatomy of Toyota’s Production System (TPS) The concept of Lean is now synonymous with
By 1975, Toyota had established standardized work processes across all plants, coupled with Kaizen (continuous improvement) to constantly refine operations. Toyota Production System | Vision & Philosophy | Company
Learning how to identify and eliminate waste.
By 1990, the was challenged to produce a massive variety of vehicles. The company proved its flexibility by producing over 60,000 product variations a month within a 300,000-unit total output, demonstrating incredible adaptability. 3. The Three Layers of Organizational Capability
