Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766773 | Gear type transmission unit | Touhei Yamaguchi, Kazuhiko Moriyama | 1988-08-30 |
ES
Ethuo Shira
Overall (All Time): #3,957,956 of 4,157,543Top 100%
1
Patents All Time