Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220416 | Temperature sensing fan drive with fluid coupling | Hirofumi Katoh | 2001-04-24 |
| 5076226 | Internal combustion engine piston | Hiroaki Watanabe, Naohiro Iwaya | 1991-12-31 |
| 5014836 | Fan drive clutch for internal combustion engine | Toshio Harima, Kenichi Sato | 1991-05-14 |
| 4934347 | Variable compression piston arrangement for internal combustion engine | Seiji Suga, Seinosuke Hara, Hiromichi Ofuji, Takayuki Arai, Takaharu Goto | 1990-06-19 |
| 4809650 | Variable compression control arrangement for internal combustion engine | Takayuki Arai, Hiromichi Ofuji, Takaharu Goto, Takehisa Kondo, Seinosuke Hara +2 more | 1989-03-07 |