Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412942 | Catalytic converter deterioration detecting system for engine | Yasuo Mukai, Masaaki Nakayama | 1995-05-09 |
| 5381688 | Apparatus and method for detecting a road surface condition of a car powered by a combustion engine | Hiroshi Ikeda, Taro Tabata | 1995-01-17 |
| 5287736 | Misfire detecting apparatus for multicylinder internal combustion engines | Masaaki Nakayama, Yasutoshi Baba, Hideki Morishima, Isamu Nomura, Kouichi Shimizu | 1994-02-22 |
| 5269271 | Apparatus for controlling speed of internal combustion engine | Katsuhiko Kawai, Kazuhiro Nakai, Hiroshi Ikeda | 1993-12-14 |
| 5133319 | Engine speed control apparatus | Hiroshi Ikeda, Daiji Isobe | 1992-07-28 |
| 5101790 | Knock control system for engine | Minoru Hotta, Hiroshi Ikeda | 1992-04-07 |
| 5056496 | Ignition system of multispark type | Seiji Morino, Kozo Takamura, Masato Somiya | 1991-10-15 |
| 4590565 | Ignition timing control for compensating knock in both steady-state and transient state | Toshiharu Iwata, Hiroshi Haraguchi, Katsuharu Hosoe | 1986-05-20 |
| 4541382 | Method and apparatus for ignition timing control of internal combustion engine | Katsuharu Hosoe, Toshiharu Iwata | 1985-09-17 |
| 4517944 | Ignition timing control for internal combustion engines | Shingo Inoue, Toshiharu Iwata | 1985-05-21 |
| 4480615 | Method and apparatus for controlling ignition timing in a multicylinder internal combustion engine | Shingo Inoue, Toshiharu Iwata | 1984-11-06 |
| 4467764 | Method and apparatus for controlling ignition timing in a multicylinder internal combustion engine | Toshiharu Iwata, Katsuharu Hosoe | 1984-08-28 |
| 4453521 | Method and apparatus for controlling ignition timing in a multicylinder internal combustion engine | Shingo Inoue, Toshiharu Iwata | 1984-06-12 |
| 4452205 | Method and apparatus for controlling ignition timing in an internal combustion engine | Katsuharu Hosoe, Toshiharu Iwata | 1984-06-05 |
| 4432322 | Method and system for controlling ignition timing in a multicylinder internal combustion engine | Shingo Inoue, Toshiharu Iwata | 1984-02-21 |