Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322050 | Motorized four wheel vehicle | Masato Yonai | 1991-12-03 |
| D322051 | Motorized four wheel vehicle | Masato Yonai | 1991-12-03 |
| D305747 | Motorcycle | Makoto Kitagawa, Shinri Chibuka, Kazuhiro Sakamoto | 1990-01-30 |
| D270047 | Motorcycle | Yutaka Kawasaki | 1983-08-09 |