Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058905 | Fuel injection control system for internal combustion engine | Hatsuo Nagaishi, Takamasa Ueda, Hiroshi Iwano | 2000-05-09 |
| 6006717 | Direct-injection spark-ignition type engine control apparatus | Keisuke Suzuki, Nobutaka Takahashi | 1999-12-28 |
| 5992372 | Transient control between two spark-ignited combustion states in engine | — | 1999-11-30 |
| 5979397 | Control apparatus for direct injection spark ignition type internal combustion engine | Kenichi Machida, Junichi Furuya, Hiraku Ohba, Takamasa Ueda | 1999-11-09 |
| 5970950 | Control method and control apparatus of direct injection gasoline engine | Hirokazu Shimizu, Hajime Hosoya, Hiraku Ohba, Takamasa Ueda | 1999-10-26 |
| 5959183 | Cytoplasmic male sterility DNA factor and utilization thereof | Toshiya Yamamoto, Kenji Oeda | 1999-09-28 |
| 5937822 | Control system for internal combustion engine | — | 1999-08-17 |
| 5765533 | Engine air-fuel ratio controller | — | 1998-06-16 |
| 5749222 | Catalyst soundness assessment device | Mikio Matsumoto | 1998-05-12 |
| 5647324 | Engine air-fuel ratio controller | — | 1997-07-15 |
| 5640847 | Catalyst deterioration diagnosis system for internal combustion engine | Hideki Uema | 1997-06-24 |
| 5634449 | Engine air-fuel ratio controller | Mikio Matsumoto, Hiroshi Iwano | 1997-06-03 |
| 5600948 | Engine air-fuel ratio controller | Kenichi Sato | 1997-02-11 |
| 5381774 | Air-fuel ratio control system for internal combustion engine | — | 1995-01-17 |
| 5341641 | Dual sensor type air fuel ratio control system for internal combustion engine | Masaaki Uchida | 1994-08-30 |
| 5255662 | Engine air-fuel ratio controller | — | 1993-10-26 |
| 5129381 | Fuel injection system for internal combustion engine | — | 1992-07-14 |
| 5119628 | Catalyst degradation diagnosing apparatus for air fuel ratio control system | Hideki Uema, Kohei Mitsuhashi, Masaaki Uchida | 1992-06-09 |