Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891122 | Air fuel ratio detecting device | Takashi Dogahara | 1990-01-02 |
| RE33027 | Engine idling speed controlling system | Akira Takahashi, Kazumasa Iida, Toru Hashimoto, Yasukuki Okamoto, Kenzo Nakao | 1989-08-22 |
| 4850317 | Intake port device | Takehiko Katsumoto, Daisuke Sanbayashi, Takashi Dogahara, Katsuo Akishino, Osamu Hirako +1 more | 1989-07-25 |
| 4815419 | Engine cooling apparatus | Taizo Kitada, Mituru Kishimoto, Atsuo Sato, Nobuaki Shimizu, Yoshinari Fukami +1 more | 1989-03-28 |
| 4813408 | Engine cooling device | Takehiko Katsumoto, Daisuke Sanbayashi, Takashi Dogahara, Hidetsugu Kanao, Katsuo Akishino +8 more | 1989-03-21 |
| 4750598 | Control system for the throttle valve of a vehicle engine | Takashi Dogahara, Daisuke Sanbayashi, Makoto Shimada | 1988-06-14 |
| 4705001 | Device for controlling engine and method thereof | Akira Takahashi, Kazumasa Iida | 1987-11-10 |
| 4594982 | Ignition timing control apparatus for internal combustion engine | Akira Takahashi, Toshio Iwata, Atsushi Ueda | 1986-06-17 |
| 4594983 | Engine operating parameter control apparatus | Akira Takahashi, Toshio Iwata, Atsushi Ueda, Takeo Sasaki | 1986-06-17 |
| 4586475 | Ignition timing control apparatus for internal combustion engine | Akira Takahashi, Kazumasa Iida, Toshio Iwata | 1986-05-06 |
| 4585101 | Power transmission mechanism for automotive vehicles | — | 1986-04-29 |
| 4580535 | Engine idling speed controlling system | Akira Takahashi, Kazumasa Iida, Toru Hashimoto, Yasuyuki Okamoto, Kenzo Nakao | 1986-04-08 |
| 4520272 | Engine speed regulating system | Hiroyuki Kobayashi, Toyoaki Fukui | 1985-05-28 |
| 4506338 | Method and apparatus for judging the state of operation of an intake passage pressure detecting device for an engine | Tatsuro Nakagami | 1985-03-19 |
| 4494502 | Idling controller of variable displacement engine | Norio Endo, Tatsuro Nakagami, Nobuaki Murakami | 1985-01-22 |
| 4494503 | Variable displacement engine | Nobuaki Murakami | 1985-01-22 |
| 4489685 | Multi-cylinder internal combustion engine | Mitsutaka Kinoshita, Tatsuro Nakagami, Nobuaki Murakami, Norio Endo, Fumio Tamura | 1984-12-25 |
| 4485777 | Multi-cylinder internal combustion engine | Tatsuro Nakagami | 1984-12-04 |