Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347825 | Fuel injection apparatus for an internal combustion engine | Yasuhiko Nakagawa, Hisamoto Aihara, Yasuo Matsumoto | 1982-09-07 |
| 4340024 | Internal combustion engine | Yasuhiko Nakagawa, Hisamoto Aihara, Yasuo Matsumoto, Yoji Sato | 1982-07-20 |
| 4304207 | Exhaust gas recirculation system for an internal combustion engine | Hisamoto Aihara, Yasuhiko Nakagawa, Yasuo Matsumoto | 1981-12-08 |
| 4300501 | Apparatus for controlling the rotational speed of an I.C. engine in an idling operation | — | 1981-11-17 |
| 4271811 | Feedback control of exhaust gas recirculation based on combustion condition | Yoshitaka Hata, Akihiro Ohnishi | 1981-06-09 |
| 4231331 | Pulse generator of the corona discharge type for sensing engine crankshaft angle on an engine control system | Hastuo Nagaishi, Kenji Masaki | 1980-11-04 |
| 4220045 | Mass flow measuring apparatus | Hiroyuki Maruoka, Hatsuo Nagaishi, Yuji Matsubara | 1980-09-02 |
| 4186701 | Feedback control of exhaust gas recirculation based on combustion condition | Yoshitaka Hata, Akihiro Ohnishi | 1980-02-05 |
| 4185604 | Feedback control system for gas flow in internal combustion engine for purpose of exhaust gas purification | Hatsuo Nagaishi, Yuji Matsubara | 1980-01-29 |
| 4183339 | Electrostatic fuel atomizing apparatus for internal combustion engine | Hatuo Nagaishi | 1980-01-15 |