Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10093388 | Bicycle rear sprocket assembly | — | 2018-10-09 |
| 10059400 | Multiple bicycle sprocket assembly | Koji Tokuyama, Kenji Ose, Toshinari Oishi, Sota Yamaguchi | 2018-08-28 |
| 10053187 | Bicycle rear sprocket assembly and bicycle rear sprocket | — | 2018-08-21 |
| 9890326 | Light up-conversion luminescent substance | Kenji Kobayashi | 2018-02-13 |