Taiichi Ohno at Toyota: JIT and Kaizen implementation (1950–1970)

1. Jidoka principle becomes a Toyota foundation

   Jan 1, 1924Labels: Jidoka, Sakichi Toyoda, Toyota

   • Toyota 75Y
   • Toyota Ind

2. Kiichiro Toyoda frames early just-in-time idea

   Jan 1, 1930Labels: Kiichiro Toyoda, Just-in-Time

   • Toyota 75Y
   • Lean Lexicon

3. Ohno begins practical JIT experiments at Honsha

   Jan 1, 1949Labels: Taiichi Ohno, Honsha Plant

   • Lean Lexicon
   • Toyota 75Y

4. Toyota studies U.S. mass production limits

   Jan 1, 1950Labels: Eiji Toyoda, Ford Motor

   • TPS Wiki
   • Toyota Global

5. Kanban develops as a pull scheduling signal

   Jan 1, 1953Labels: Kanban, Taiichi Ohno

   • Toyota 75Y
   • Kanban Wiki

6. Motomachi Plant opens, enabling larger-scale trials

   Aug 8, 1959Labels: Motomachi Plant, Toyota

   • Toyota 75Y
   • Toyota Sites

7. TPS expansion to all plants begins

   Jan 1, 1960Labels: Toyota Production, Honsha Plant

   • Toyota 75Y

8. Kanban becomes a company-wide management system

   Jan 1, 1963Labels: Kanban, Toyota

   • Toyota 75Y

9. Kanban extends outward to supplier retrieval

   Jan 1, 1965Labels: Kanban, Suppliers

   • Toyota 75Y

10. New engine and assembly plants support higher volumes

    Nov 1, 1965Labels: Kamigo Plant, Takaoka Plant

    • Toyota Sites
    • Toyota Times

11. Production leveling (heijunka) formalizes smoother demand

    Jan 1, 1967Labels: Heijunka, Production Leveling

    • Toyota 75Y
    • Lean Lexicon

12. TPS begins structured supplier rollout in late 1960s

    Jan 1, 1968Labels: Suppliers, Toyota Group

    • Toyota 75Y