Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458868 | Bicycle crank arm assembly | Toshio Tetsuka, Fumiaki Yoshida, Toru Arai, Kui Li, Tomoaki Watanuki | 2019-10-29 |
| 10220913 | Bicycle chain tensioner device | Satoshi Kitamura | 2019-03-05 |