Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570584 | General-purpose internal combustion engine with vertical crank shaft | Shoji Watanabe | 1986-02-18 |
YU
Yonekazu Uetsuji
Overall (All Time): #3,990,517 of 4,157,543Top 100%
1
Patents All Time