Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925977 | Valve timing controller for internal combustion engine | Seiji Hirowatari, Masanao Idogawa | 2005-08-09 |
| 6904881 | Apparatus and method for controlling internal combustion engine | Seiji Hirowatari, Masanao Idogawa, Isao Takagi | 2005-06-14 |
| 6820591 | Control apparatus and method for internal combustion engine | Katsutoshi Tanei, Isao Takagi, Rihito Kaneko, Masashi Yoshimi | 2004-11-23 |
| 6811101 | Fuel injection valve body for direct injection type internal combustion engine | Seiji Nonoyama, Kyosuke Ohashi, Takuya Ikoma, Hiromitsu Seo | 2004-11-02 |
| 6647952 | Control apparatus for cylinder injection type internal combustion engine | Masanao Idogawa, Noboru Takagi, Osamu Hosokawa | 2003-11-18 |
| 6520148 | Throttle control apparatus and method for direct-fuel-injection-type internal combustion engine | Koichi Yonezawa, Osamu Hosokawa, Jun Takahashi, Senji Kato, Noboru Takagi +1 more | 2003-02-18 |
| 5513610 | Idle speed control device for an engine | Akio Okamoto | 1996-05-07 |