Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059400 | Multiple bicycle sprocket assembly | Koji Tokuyama, Kenji Ose, Toshinari Oishi, Kenji Kamada | 2018-08-28 |
| 9926038 | Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sprocket assembly | Yasufumi Fukunaga, Tsuyoshi Fukumori, Koji Tokuyama, Toshinari Oishi | 2018-03-27 |
| 9873287 | Bicycle hub assembly and bicycle transmission system | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kohei Obuchi | 2018-01-23 |