Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D278044 | Front fork for three-wheeled motor vehicle | — | 1985-03-19 |
| D276033 | Motor tricycle | Mituru Yamamoto | 1984-10-23 |
| D268660 | Motortricycle | — | 1983-04-19 |
| D267792 | Motor tricycle | — | 1983-02-01 |
| D267637 | Three-wheeled motor vehicle | — | 1983-01-18 |
| 4325562 | Three-wheeled vehicle with a container | Kozo Yamada, Seiichi Matsui | 1982-04-20 |