Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7464693 | Internal combustion engine including plural cylinders, control apparatus and control method for internal combustion engine including plural cylinders | Keizo Hiraku, Takashi Tsunooka, Hirohiko Yamada, Masakazu Yamada | 2008-12-16 |
| 7363889 | Control device for multicylinder internal combustion engine | Takashi Tsunooka, Keizo Hiraku, Yukihiro Nakasaka, Hiroshi Kanai, Naohide Fuwa +1 more | 2008-04-29 |
| 7066145 | Intake air amount control apparatus and intake air amount control method for internal combustion engines | Keizo Hiraku, Hirohiko Yamada | 2006-06-27 |
| 6848422 | Control system and method for internal combustion engine with variable valve mechanism | Keizo Hiraku, Hiroshi Kanai, Yukihiro Nakasaka | 2005-02-01 |
| 4938196 | Control device for heater for oxygen sensor operative to correct target resistance with reference to standard power supply thereto | Kouichi Hoshi, Masaru Goudo, Mitsuhiro Suzuki, Ritsuo Masaki, Hidemi Ohnaka | 1990-07-03 |