Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760486 | Charge control system for use in internal combustion engine | Akira Morishita, Katsumi Adachi | 1998-06-02 |
| 5699769 | Controller for four-stroke cycle internal-combustion engine | Koichi Yamane, Wataru Fukui | 1997-12-23 |
| 5518600 | Oxygen concentration detection apparatus | — | 1996-05-21 |
| 5512813 | AC generator output controlling apparatus and method | — | 1996-04-30 |
| 5467008 | Electronic control device for controlling the alternator and the idling RPM of automotive engine | — | 1995-11-14 |
| 5349936 | Method of diagnosing exhaust gas recirculation control system of internal combustion engine and apparatus for carrying out the same | — | 1994-09-27 |
| 5345919 | Fuel injection apparatus for an internal combustion engine | — | 1994-09-13 |
| 5345908 | Electronic control device for an internal combustion engine | Yukinobu Nishimura | 1994-09-13 |
| 5301648 | Electronic control device for an internal combustion engine | — | 1994-04-12 |
| 5239971 | Trouble diagnosis device for exhaust gas recirculation system | — | 1993-08-31 |
| 5148369 | Air-fuel control apparatus for an internal combustion engine | Toshihisa Takahashi, Ryoji Nishiyama, Hiroyoshi Suzuki, Shinichi Nishida | 1992-09-15 |
| 5123392 | Fuel injection apparatus for an internal combustion engine | Kouichi Yamane, Koji Nishimoto | 1992-06-23 |
| 5053968 | Air-fuel ratio control apparatus | — | 1991-10-01 |
| 5044342 | Automotive fuel injection system | Kouichi Yamane, Koji Nishimoto | 1991-09-03 |
| 5035220 | Fuel controller for an internal combustion engine | Toshihisa Takahashi | 1991-07-30 |
| 4982714 | Air-fuel control apparatus for an internal combustion engine | Toshihisa Takahashi, Shinichi Nishida, Hitoshi Inoue | 1991-01-08 |
| 4967727 | Fuel controller for an internal combustion engine | Toshihisa Takahashi | 1990-11-06 |
| 4958611 | Air-fuel ratio controller of internal combustion engine | Toshihisa Takahashi, Hitoshi Inoue, Takahiro Moronaga, Shinichi Nishida | 1990-09-25 |
| 4947819 | Air-fuel ratio controller of internal combustion engine | Toshihisa Takahashi | 1990-08-14 |
| 4920941 | Fuel injection control apparatus | Toyoaki Fukui, Shogo Omori | 1990-05-01 |
| 4915082 | Air-fuel ratio controller of internal combustion engine | Toshihisa Takahashi, Kenji Ogawa, Hitoshi Inoue, Shinichi Nishida | 1990-04-10 |
| 4915077 | Air-fuel ratio control apparatus | Toshihisa Takahashi, Hitoshi Inoue, Shinichi Nishida | 1990-04-10 |
| 4911130 | Air-fuel ratio controller of internal combustion engine | Toshihisa Takahashi, Ryoji Nishiyama, Seiya Kominami, Shinichi Nishida | 1990-03-27 |
| 4895123 | Apparatus for controlling air-fuel ratio of internal combustion engine | Toshihisa Takahashi, Hiroyoshi Suzuki, Ryoji Nishiyama, Shinichi Nishida | 1990-01-23 |
| 4886028 | Apparatus for controlling air-fuel ratio of internal combustion engine | Toshihisa Takahashi, Hiroyoshi Suzuki, Ryoji Nishiyama, Shinichi Nishida | 1989-12-12 |