| 1990 |
- Kakuda Development Center opened in Kakuda City, Miyagi Prefecture
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| 1994 |
- Designated in the First Section of Tokyo Stock Exchange
- Hadsys (Thailand) Co., Ltd. (now Keihin Auto Parts (Thailand) Co., Ltd.) established in Thailand
|
| 1995 |
- Hadsys Philippines Corp. (now Keihin Philippines Corp.) established in the Philippines
|
| 1996 |
- Keihin Seiki Europe Ltd. (now Keihin Europe Ltd.) established in the UK
|
| 1997 |
- Merged with Hadsys Co., Ltd. and e-Giken Co., Ltd. Company name changed to Keihin Corporation.
- Tochigi Development Center opened in Takanezawa City, Tochigi Prefecture
- Nanjing Keihin Carburetor Co., Ltd. established in China
- Keihin Panalfa Pvt Ltd. (now Keihin Panalfa Ltd.) established in India
- Carolina System Technology, Inc. (now Keihin Carolina System Technology Inc.) established in the United States
- Keihin Watari Co., Ltd. established in Watari City, Miyagi Prefecture
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| 1999 |
Electronic control unit for hybrid vehicles
- Keihin Aircon North America, Inc. established in the United States
- Keihin FIE Pvt Ltd. established in India
- Developed the electronic control unit for hybrid vehicles
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