Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235940 | Engine valve driving apparatus | — | 1993-08-17 |
| 4762111 | Head cover arrangement for double overhead cam type engine | Hiroyuki Hanafusa, Fusatoshi Tanaka, Hideo Nakayama | 1988-08-09 |
| 4690106 | Intake system for internal combustion engine | Hideo Nakayama, Fusatoshi Tanaka, Hiroyuki Hanafusa | 1987-09-01 |
| 4660527 | Cylinder head for combustion engine | Fusatoshi Tanaka, Hideo Nakayama, Hiroyuki Hanafusa | 1987-04-28 |