Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875455 | Automobile exhaust gas recirculating system | Noboru Hashimoto, Mitsuo Hitomi, Koji Onishi, Yoshikuni Yada, Hidetoshi Nobumoto | 1989-10-24 |
| 4787357 | Intake system for an internal combustion engine | Toshio Nishikawa, Tadataka Nakazumi, Tadashi Kaneko | 1988-11-29 |
| 4727845 | Air-fuel ratio control apparatus for engines | Masanori Misumi, Masashi Marubara, Hiroyuki Oda | 1988-03-01 |
| 4691677 | Throttle valve control system for internal combustion engine | Toshio Nishikawa, Kobuo Takeuchi, Itaru Okuno, Tadataka Nakazumi | 1987-09-08 |
| 4682044 | Engine idling load control means | Tadashi Kaneko, Toshio Nishikawa, Tadataka Nakazumi, Nobuo Takeuchi | 1987-07-21 |
| 4665878 | Fuel supply control system for engine | Nobuo Takeuchi, Tadashi Kaneko, Toshio Nishikawa | 1987-05-19 |
| 4662339 | Air-fuel ratio control for internal combustion engine | Toshio Nishikawa, Yoshitaka Tabara | 1987-05-05 |
| 4633841 | Air-fuel ratio control for an international combustion engine | Masahiko Matsuura, Tadashi Kaneko, Tadayoshi Kaide | 1987-01-06 |