Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994285 | Multiple bicycle sprocket assembly | Koji Tokuyama | 2018-06-12 |
TU
Takahiko Umezawa
Overall (All Time): #2,893,911 of 4,157,543Top 70%
1
Patents All Time