Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822307 | Warning device for a watercraft provided with a plurality of marine propulsion engines | — | 1989-04-18 |
| 4788014 | Auto-choke device | — | 1988-11-29 |
| 4708669 | Warning device for a watercraft provided with a plurality of marine propulsion engines | Yasuo Yamamoto | 1987-11-24 |
| 4594978 | Over-revolution preventing apparatus for internal combustion engines | — | 1986-06-17 |
| 4492197 | Over-revolution preventing apparatus for internal combustion engines | Yasuo Yamamoto | 1985-01-08 |