Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309877 | Outboard engine assembly and internal combustion engine therefore | Hideo Shigedomi, Hiroyuki Nakayama | 1994-05-10 |
| 4840152 | V-type vertical engine | Yoshimi Watanabe, Kenichi Goto | 1989-06-20 |
| 4744434 | Wheel suspension system for motorcycles | Kazuhiko Tsunoda | 1988-05-17 |
| 4690235 | Three-wheeled motor vehicle | — | 1987-09-01 |
| 4609202 | Telescopic front suspension | Toshifumi Yamamoto, Yoshio Negishi | 1986-09-02 |
| 4549510 | Arrangement of multiple valves for an internal combustion engine | Naoto Hara | 1985-10-29 |
| 4519471 | Multi-cylinder engine mounted on motorcycle | Kazuo Oyama | 1985-05-28 |
| 4511013 | Rear suspension system for motorcycles | Kazuhiko Tsunoda | 1985-04-16 |
| 4497506 | Anti-lifting mechanism for motor vehicles | Tokio Isono | 1985-02-05 |
| 4470379 | Multi-cylinder engine | Kuniyuki Yamamoto | 1984-09-11 |
| 4440413 | Rear wheel suspension for a motorcycle | Kazuhiro Yamamoto | 1984-04-03 |
| 4433851 | Front suspension system for motorcycles | Tokio Isono | 1984-02-28 |
| 4433850 | Front wheel suspension system for motorcycles | Tokio Isono | 1984-02-28 |
| 4431204 | Front wheel suspension system for motorcycles | Tokio Isono | 1984-02-14 |
| 4406475 | Front wheel suspension system for motorcycles | Tokio Isono | 1983-09-27 |
| 4401316 | Front suspension for motocycle | Tokio Isono | 1983-08-30 |
| 4322088 | Rear wheel suspension for a motorcycle | Kazuhiro Yamamoto | 1982-03-30 |