Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412460 | Valve operating system in internal combustion engine | Toshiyuki Sato, Toshihiro Oikawa, Toshihiro Kamiyama, Mamoru Kosuge | 2002-07-02 |
| 6125805 | Valve operating system in internal combustion engine | Toshiyuki Sato, Toshihiro Oikawa | 2000-10-03 |
| 5979379 | Valve operating system in internal combustion engine | Toshiyuki Sato, Toshihiro Oikawa | 1999-11-09 |
| 4876995 | Valve operation control device for internal combustion engine | Noriyuki Kishi | 1989-10-31 |
| 4829439 | Method of selectively adapting an electronic control unit for internal combustion engines | — | 1989-05-09 |
| 4788954 | Method for controlling by-pass air flow on deceleration of internal combustion engine | Sachito Fujimoto, Akira Katoh | 1988-12-06 |
| 4751909 | Fuel supply control method for internal combustion engines at operation in a low speed region | — | 1988-06-21 |
| 4745554 | Method of detecting the number of revolutions of internal combustion engine | Kikuo Tomozawa, Hayato Yasui, Akihiro Yamato | 1988-05-17 |
| 4732132 | Air intake side secondary air supply system for an internal combustion engine using a linear-type solenoid valve | Hideo Kobayashi, Kazuhito Kakimoto, Hitoshi Yamabe, Hiroshi Hasebe, Norio Tomobe | 1988-03-22 |
| 4729361 | Fuel supply control method for internal combustion engines, with adaptability to various engines and controls therefor having different operating characteristics | Masataka Chikamatsu | 1988-03-08 |
| 4700675 | Method of controlling fuel supply for internal combustion engine at idle | Akira Kato, Masataka Chikamatsu | 1987-10-20 |
| 4700679 | Intake air quantity control method for internal combustion engines | Akira Kato, Fumio Hosoda, Akinobu Takagi | 1987-10-20 |
| 4697421 | Supercharging pressure control system for an internal combustion engine with a tubocharger and method of operation | Masakatsu Niikura, Yoshio Wazaki | 1987-10-06 |
| 4696273 | Ignition timing control method for internal combustion engines | Yoshio Suzuki, Shigehiro Kimura, Naoki Ohsawa | 1987-09-29 |
| 4696272 | Ignition timing control method for internal combustion engines at idle | Akira Kato, Shigehiro Kimura | 1987-09-29 |
| 4688533 | Operation control system for an internal combustion engine with a throttle valve finely adjustable in valve opening at low load operation of the engine | — | 1987-08-25 |
| 4665882 | Method of controlling an exhaust gas recirculating valve in an internal combustion engine | — | 1987-05-19 |
| 4649878 | Method of feedback-controlling idling speed of internal combustion engine | Takahiro Iwata | 1987-03-17 |
| 4638658 | Method of detecting abnormality in a system for detecting exhaust gas ingredient concentration of an internal combustion engine | — | 1987-01-27 |
| 4639870 | Fuel supply control method for internal combustion engines, with adaptability to various engines and controls therefor having different operating characteristics | Takeo Kiuchi, Kikuo Tomozawa | 1987-01-27 |
| 4636957 | Method for controlling operating state of an internal combustion engine with an overshoot preventing function | Noriyuki Kishi | 1987-01-13 |
| 4633093 | Method of feedback-controlling idling speed of internal combustion engine | Takahiro Iwata | 1986-12-30 |
| 4617901 | Air-fuel ratio feedback control method for internal combustion engines | Akihiro Yamato | 1986-10-21 |
| 4618954 | Method of detecting abnormality in input and output units | Takeo Kiuchi | 1986-10-21 |
| 4597370 | Method for controlling fuel supply to an internal combustion engine after termination of fuel cut | Akimasa Yasuoka | 1986-07-01 |