Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889507 | Outboard propulsion unit supporting system | Hideo Tahara, Hiroshi Ono | 1989-12-26 |
| 4878865 | Outboard propulsion unit supporting system for boat | Hiroshi Ono, Norimasa Kawamura | 1989-11-07 |