Japanese supplier industrialization under TPS (1960–1985)

1. Toyota formalizes supplier cooperation groups

   Jan 1, 1960Labels: Kyohokai, Toyota Motor

   • Toyota 75Y Kyohokai
   • Kyohokai est 1943

2. Tooling and facilities supplier associations created

   Apr 1, 1962Labels: Seihokai, Eihokai

   • Toyota 75Y associations
   • Toyota 75Y Nihokai

3. Kyohokai Hall opens as coordination hub

   Jan 1, 1963Labels: Kyohokai Hall, Toyota Motor

   • Toyota 75Y Nihokai

4. Kanban expands toward outside suppliers

   Jan 1, 1963Labels: Kanban, Toyota Motor

   • TPS overview
   • TPS timeline doc

5. Toyota builds internal supplier-support expertise

   Jan 1, 1966Labels: Toyota production, Toyota Motor

   • Supplier development PDFCoffee
   • Toyota supplier case

6. Supplier-side JIT adoption becomes a major push

   Jan 1, 1970Labels: Just-in-Time, Suppliers

   • Supplier development PDFCoffee
   • TPS overview

7. Jishuken supplier study groups launched

   Jan 1, 1977Labels: Jishuken, Suppliers

   • Toyota Management System
   • Supplier development PDFCoffee

8. New Eihokai formed to tighten non-parts support

   Apr 1, 1983Labels: Eihokai, Seihokai

   • Toyota 75Y Nihokai
   • Toyota 75Y associations

9. UAW–Toyota labor agreement enables TPS transfer

   Sep 1, 1983Labels: UAW, Toyota Motor

   • Toyota 75Y NUMMI

10. NUMMI begins production, showcasing TPS abroad

    Dec 1, 1984Labels: NUMMI, General Motors

    • Toyota 75Y NA
    • Toyota NUMMI note

11. Supplier industrialization under TPS becomes a model

    Dec 31, 1985Labels: Supplier network, Toyota Motor

    • TPS overview
    • Toyota 75Y associations

12. Kyohokai–Eihokai joint coordination deepens

    Jan 1, 1987Labels: Kyohokai, Eihokai

    • Toyota 75Y Nihokai
    • Futures paper Kyohokai