Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591017 | Bicycle with an auxiliary engine | Sadamichi Enjo, Goroei Wakatsuki, Toushi Noguchi | 1986-05-27 |
| 4560026 | Parking system for an articulated tricycle | Yasuhisa Yanagisawa | 1985-12-24 |