Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811698 | Valve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditions | Akio Akasaka, Takanori Sawada | 1989-03-14 |
| 4809650 | Variable compression control arrangement for internal combustion engine | Takayuki Arai, Hiromichi Ofuji, Takaharu Goto, Takehisa Kondo, Seinosuke Hara +2 more | 1989-03-07 |