Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215067 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Masaki Kanehiro, Takuji Ishioka, Takashi Hisaki, Shigeru Maruyama +3 more | 1993-06-01 |
| 4977743 | Cooling control system for internal combustion engines equipped with superchargers | Yasuyuki Aihara, Chiharu Shimizu, Eitetsu Akiyama | 1990-12-18 |
| 4977862 | Engine room-cooling control system | Yasuyuki Aihara, Shuji Katoh, Eitetsu Akiyama | 1990-12-18 |
| 4930460 | Engine room-cooling control system | Yasuyuki Aihara, Eitetsu Akiyama, Tatsumi Sawada | 1990-06-05 |