Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906184 | Fault deciding system for idle revolution controlling unit | Hiroshi Maruyama, Yuzuru Koike | 1999-05-25 |
| 5850820 | Evaporative fuel control system for internal combustion engines | Kojiro Tsutsumi, Yasunari Seki, Sachito Fujimoto | 1998-12-22 |
| 5732687 | Evaporative fuel-processing system for internal combustion engines | Akira Hashimoto, Hideo Moriwaki, Sachito Fujimoto | 1998-03-31 |
| 5692486 | Air-fuel ratio sensor deterioration-detecting system for internal combustion engines | Kojiro Tsutsumi, Yuji Fujiki, Toshitaka Hachiro, Fumio Hara, Sachito Fujimoto | 1997-12-02 |
| 5676119 | Air-fuel ratio control system for internal combustion engines | Kojiro Tsutsumi, Shuichi Hosoi, Katsuhiko Suzuki, Sachito Fujimoto | 1997-10-14 |
| 5119782 | Ignition timing control system for internal combustion engine | Hiroshi Kawaguchi | 1992-06-09 |
| 5113835 | Method of controlling exhaust gas recirculation for an internal combustion engine | Yasunari Seki, Takahiko Kaga | 1992-05-19 |