Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188085 | Device for measuring concentration/flow rate of a mixture drawn into an internal combustion engine and air-fuel ratio control system of the engine incorporating the device | Masayuki Habaguchi, Toyohei Nakajima, Fumio Hosoda, Masakazu Kitamoto, Hideo Moriwaki +1 more | 1993-02-23 |
| 5178117 | Evaporative fuel-purging control system for internal combustion engines | Fumio Hosoda, Masakazu Kitamoto | 1993-01-12 |
| 5176123 | Evaporative fuel-purging control system for internal combustion engines | Fumio Hosoda, Masakazu Kitamoto, Hideo Moriwaki, Takashi Kiyomiya, Koichi Hidano | 1993-01-05 |
| 5170762 | Ignition timing control system for internal combustion engines | Kojiro Tsutsumi, Masaki Kanehiro, Kyozo Futa | 1992-12-15 |
| 5163403 | Ignition timing control system for internal combustion engines | Hiroshi Kitagawa, Kojiro Tsutsumi, Ryuji Satoh | 1992-11-17 |
| 5158063 | Air-fuel ratio control method for internal combustion engines | Fumio Hosoda, Hiroshi Ito, Shunji Takahashi | 1992-10-27 |
| 5072631 | Control system for internal combustion engine installed in vehicle with automatic transmission | Toshitaka Imai | 1991-12-17 |
| 5070841 | Ignition timing control system for internal combustion engine | Ryuji Satoh, Akira Kato | 1991-12-10 |
| 5065705 | System for preventing overheat of engine for vehicle | Yuzuru Koike | 1991-11-19 |
| 5052357 | Intake air mount control system for internal combustion engines | Masakazu Kitamoto | 1991-10-01 |
| 5048487 | Ignition timing control system for internal combustion engine | — | 1991-09-17 |
| 5036820 | Method of determining activation of an exhaust gas concentration sensor equipped with a heater | Toshihiro Mibe, Takeshi Fukuzawa | 1991-08-06 |
| 5016596 | Air-fuel ratio control method for internal combustion engines | Akira Fujimura, Fumio Hosoda | 1991-05-21 |
| 4993393 | Air-fuel ratio feedback control method for internal combustion engines | Fumio Hosoda, Hiroshi Ono, Katsushi Watanabe | 1991-02-19 |
| 4966111 | Fuel supply control system for internal combustion engines | Takuya Sugino, Shunji Takahasi, Makoto Hashiguchi | 1990-10-30 |
| 4926828 | Air-fuel ratio feedback control method for internal combustion engines | Shuichi Hosoi | 1990-05-22 |
| 4923042 | Fuel supply control method for an engine with a fluid torque converter clutch | Hitoshi Yamabe, Noboru Sekine, Shuichi Takagi | 1990-05-08 |
| 4915081 | Method of determining activation of exhaust gas ingredient-concentration sensors for internal combustion engines | Shunji Takahashi | 1990-04-10 |
| 4913120 | Air-fuel ratio feedback control method for internal combustion engines | Shuichi Hosoi | 1990-04-03 |
| 4898143 | Exhaust gas recirculation control method for internal combustion engines | Takuya Sugino | 1990-02-06 |
| 4858581 | Air-fuel ratio feedback control method for internal combustion engines | Shuichi Hosoi | 1989-08-22 |
| 4848303 | Method of controlling operation of internal combustion engines | Makoto Hashiguchi | 1989-07-18 |
| 4796589 | Air-fuel ratio feedback control method for internal combustion engines | Kazunari Yamashita | 1989-01-10 |
| 4788954 | Method for controlling by-pass air flow on deceleration of internal combustion engine | Yutaka Otobe, Akira Katoh | 1988-12-06 |
| 4753210 | Fuel injection control method for internal combustion engines at acceleration | Makoto Hashiguchi | 1988-06-28 |