Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661972 | Air-fuel ratio control system for internal combustion engines | Hiroshi Kitagawa, Jun Takahashi | 1997-09-02 |
| 5661974 | Control system with function of protecting catalytic converter for internal combustion engines for vehicles | Toru Kitamura, Sakae Suzuki | 1997-09-02 |
| 5622049 | Control system with function of protecting catalytic converter for internal combustion engines for automotive vehicles | Toru Kitamura, Kazutomo Sawamura, Shigetaka Kuroda | 1997-04-22 |
| 5611309 | Throttle valve control system for internal combustion engines | Katsuhiro Kumagai, Tetsuya Ono, Kenichiro Ishii | 1997-03-18 |
| 5611310 | Driving force-calculating system and control system incorporating same for automotive vehicles | Shigetaka Kuroda, Hisashi Igarashi, Kenichiro Ishii | 1997-03-18 |
| 5609023 | Fuel supply control system for internal combustion engines | Hiroshi Kitagawa, Toshiaki Hirota | 1997-03-11 |