Company History -Former Koyo Seiko-
JTEKT ｜ Former Koyo Seiko ｜ Former Toyoda Koki
- 1921
- Koyo Seiko Co. founded
- 1935
- Company reorganized into a corporation and renamed Koyo Seiko Co., Ltd.
- 1938
- Kokubu Plant completed
- 1943
- Operations begun at Tokyo Plant
- 1958
- American Koyo Corp. (presently Koyo Corporation of U.S.A.) established as first overseas affiliate
- 1959
- Steering system development and prototype production begun at Kokubu Plant
- 1963
- Joint bearing manufacturing and sales operations with Osaka Bearing Manufacturing Co., Ltd. (presently Daibea Co., Ltd.) begun
- 1963
- Tokushima Plant completed
- 1969
- Hamura Plant (presently Tokyo Plant) completed
- 1973
- American Koyo Bearing Mfg Corp. (presently Koyo Corporation of U.S.A.) established, plant completed in South Carolina, and bearing production begun
- 1975
- Operations begun at Hiketa Plant (presently Kagawa Plant)
- 1979
- Operations of old Tokyo Plant and Hamura Plant combined (at Hamura Plant) and the plant renamed the Tokyo Plant
- 1983
- World's first electronically controlled power steering system developed
- 1984
- Ceramic bearing developed jointly with Toshiba Corporation
- 1986
- Operations begun at Toyohashi Plant
- 1988
- Production of world's first electric power steering system begun
- 1988
- Joint venture TRW Koyo Steering Systems Company formed with U.S. company TRW Inc. (presently JTEKT Automotive Tennessee-Vonore Co.)
- 1989
- Technical center at Kokubu Plant completed
- 1990
- Operations begun at Kameyama Plant
- 1990
- Financial participation in and technical assistance to Societe de Mecanique D'Irigny S.A. (presently JTEKT EUROPE S.A.S.) begun
- 1991
- North American Technical Center established in USA
- 1991
- European Bearing Central Office established in the Netherlands
- 1997
- European Bearing Technical Centre established in the Netherlands
- 1998
- R&D center completed at Nara Plant
- 2000
- Obtained majority ownership of Peugeot steering manufacturing subsidiary, changed name to Koyo Sreering Dijon Saint-Etienne S.A.S. (presently JTEKT Automotive Dijon Saint-Etienne S.A.S.)
- 2000
- Basic agreement with Toyoda Machine Works, Ltd. regarding electric power steering joint development
- 2001
- Business tie-up with Fuji Kiko Co., Ltd. regarding steering columns
- 2002
- Establishment with Toyota Motor Corporation, Denso Corporation, and Toyoda Machine Works, Ltd. of joint venture FAVESS Co., Ltd. for the development and sale of electric power steering
- 2002
- Became first company in Japan to obtain certification in ISO/TS 16949 (2002 version)
- TRW Koyo Steering Systems Company made a wholly owned Koyo subsidiary and renamed Tennessee Koyo Steering Systems Company (presently JTEKT Automotive Tennessee-Vonore Co.)