|Born||February 29, 1912
|Died||May 28, 1990 (Age: 78)
Toyota City, Japan
Taiichi Ohno (大野耐一 Ōno Taiichi?, February 29, 1912 – May 28, 1990) was a Japanese industrial engineer and businessman. He is considered to be the father of the Toyota Production System, which became Lean Manufacturing in the U.S. He devised the seven wastes (or muda in Japanese) as part of this system. He wrote several books about the system, including Toyota Production System: Beyond Large-Scale Production. Born in 1912 in Dalian, China, and a graduate of the Nagoya Technical High School (Japan), he joined the Toyoda family's Toyoda Spinning upon graduation in 1932 during the Great Depression thanks to the relations of his father to Kiichiro Toyoda, the son of Toyota's founding father Sakichi Toyoda. He moved to the Toyota motor company in 1943 where he worked as a shop-floor supervisor in the engine manufacturing shop of the plant, and gradually rose through the ranks to become an executive. In what is considered to be a slight, possibly because he spoke publicly about the production system, he was denied the normal executive track and was sent instead to consult with suppliers in his later career.
Ohno's principles influenced areas outside of manufacturing, and have been extended into the service arena. For example, the field of sales process engineering has shown how the concept of Just In Time (JIT) can improve sales, marketing, and customer service processes.
Ohno was also instrumental in developing the way organisations identify waste, with his "Seven Wastes" model which have become core in many academic approaches. These wastes are:
1. Delay, waiting or time spent in a queue with no value being added
2. Producing more than you need
3. Over processing or undertaking non-value added activity
5. Unnecessary movement or motion
7. Production of Defects
- Ohno, Taiichi (1988), Toyota Production System: Beyond Large-Scale Production, Productivity Press, ISBN 0-915299-14-3
- Ohno, Taiichi (1988), Workplace Management, Productivity Press, ISBN 0-915299-19-4
- Ohno, Taiichi (2007), Workplace Management. Translated by Jon Miller, Gemba Press, ISBN 978-0-9786387-5-7, ISBN 0-9786387-5-1
- Ohno, Taiichi (1988). Toyota Production System: Beyond Large-Scale Production (English translation ed.). Portland, Oregon: Productivity Press. pp. 75–76. ISBN 0-915299-14-3.
- Selden, Paul H (1997). Sales Process Engineering: A Personal Workshop. Milwaukee, WI: ASQ Quality Press. pp. 113–120.
- Emiliani, Bob; Stec, David; Grasso, Lawrence; Stodder, James (2007). Better thinking, better results: case study and analysis of an enterprise-wide lean transformation (2nd ed.). Kensington, Conn: Center for Lean Business Management. ISBN 978-0-9722591-2-5.
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