Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991559 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Michihiro Ohashi +7 more | 1991-02-12 |
| 4712522 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Osamu Harada, Toshio Suematsu, Yuji Takeda | 1987-12-15 |
| 4708113 | Method of discriminating octane number of fuel for motor vehicle | Osamu Harada, Yuji Takeda, Toshio Suematsu, Kazuhiko Funato | 1987-11-24 |
| 4688534 | Idling speed control device of an internal combustion engine | Yuji Takeda, Osamu Harada, Toshio Suematsu | 1987-08-25 |
| 4664086 | Air-fuel ratio controller for internal combustion engine | Yuji Takeda, Toshio Suematsu, Osamu Harada | 1987-05-12 |
| 4655186 | Method for controlling fuel injection amount of internal combustion engine and apparatus thereof | Yuji Takeda, Osamu Harada, Toshio Suematsu | 1987-04-07 |
| 4640251 | Method of discriminating octane number of fuel for motor vehicle | Osamu Harada, Toshio Suematsu, Yuji Takeda | 1987-02-03 |
| 4626997 | Method of and system for controlling ignition timing retard limit in internal combustion engine | Yuuji Takeda, Toshio Suematsu, Yoshiyasu Ito | 1986-12-02 |
| 4545349 | Method for regulating intake air flow for internal combustion engines | Yoshiyasu Ito, Toshio Suematsu, Yuji Takeda | 1985-10-08 |
| 4489688 | Control for idle speed control valve | Yoshiyasu Ito, Toshio Suematsu, Yuji Takeda, Matsuji Yoshida | 1984-12-25 |
| 4473055 | Method and apparatus for controlling the amount of intake air in an internal-combustion engine having a supercharger | Yoshiyasu Ito, Yuji Takeda, Toshio Suematsu | 1984-09-25 |