Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527521 | Method for controlling fuel supply to an internal combustion engine after termination of fuel cut | Shumpei Hasegawa | 1985-07-09 |
| 4523571 | Fuel supply control method for internal combustion engines at acceleration | Akihiro Yamato | 1985-06-18 |
| 4509489 | Fuel supply control method for an internal combustion engine, adapted to improve operational stability, etc., of the engine during operation in particular operating conditions | Shumpei Hasegawa, Yutaka Otobe, Takashi Koumura | 1985-04-09 |
| 4508088 | Method for controlling fuel supply to an internal combustion engine after termination of fuel cut | Shumpei Hasegawa | 1985-04-02 |
| 4498445 | Air/fuel ratio feedback control system adapted to obtain stable engine operation under particular engine operating conditions | Shumpei Hasegawa, Takashi Koumura | 1985-02-12 |
| 4494512 | Method of controlling a fuel supplying apparatus for internal combustion engines | Shumpei Hasagawa | 1985-01-22 |
| 4491107 | Idling rpm feedback control method for internal combustion engines | Shumpei Hasegawa, Takashi Koumura | 1985-01-01 |
| 4491109 | Idling rpm feedback control method having fail-safe function for abnormalities in the functioning of the throttle valve opening detecting means of an internal combustion engine | Takashi Koumura | 1985-01-01 |
| 4483299 | Method for detecting abnormality in sensor means for detecting a parameter relating to intake air quantity of an internal combustion engine | Yutaka Otobe | 1984-11-20 |
| 4479471 | Method for controlling engine idling rpm immediately after the start of the engine | Shumpei Hasegawa, Takashi Koumura | 1984-10-30 |
| 4471742 | Fuel supply control method for an internal combustion engine equipped with a supercharger | — | 1984-09-18 |
| 4463730 | Fuel supply control method for controlling fuel injection into an internal combustion engine in starting condition and accelerating condition | — | 1984-08-07 |
| 4454855 | Fuel supply control method and system for internal combustion engines equipped with exhaust gas recirculation control systems | Yutaka Otobe | 1984-06-19 |
| 4445482 | Air/fuel ratio feedback control system adapted to obtain stable engine operation under particular engine operating conditions | Shumpei Hasegawa | 1984-05-01 |