Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809650 | Variable compression control arrangement for internal combustion engine | Takayuki Arai, Hiromichi Ofuji, Takaharu Goto, Seinosuke Hara, Seiji Suga +2 more | 1989-03-07 |
| 4434776 | EGR Control system | Haruya Shirase | 1984-03-06 |