Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059400 | Multiple bicycle sprocket assembly | Kenji Ose, Toshinari Oishi, Kenji Kamada, Sota Yamaguchi | 2018-08-28 |
| 9994285 | Multiple bicycle sprocket assembly | Takahiko Umezawa | 2018-06-12 |
| 9926038 | Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sprocket assembly | Yasufumi Fukunaga, Tsuyoshi Fukumori, Sota Yamaguchi, Toshinari Oishi | 2018-03-27 |