Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180217 | Multiple bicycle sprocket assembly | Koji Tokuyama, Kenji Ose, Kenji Kamada, Sota Yamaguchi | 2021-11-23 |
| 10968998 | Bicycle rear sprocket adapter | Hiroshi Fujita, Kazuki Koshiyama | 2021-04-06 |
| 10577050 | Bicycle sprocket | Kenichi Akanishi, Atsuhiro Emura, Sota Yamaguchi | 2020-03-03 |
| 10486770 | Bicycle tensioner apparatus and bicycle tensioner | Atsuhiro Emura, Yusuke Nishimoto, Sota Yamaguchi, Kohei Obuchi, Kento Mitsuyasu | 2019-11-26 |
| 10316951 | Bicycle drive unit | Atsuhiro Emura, Yusuke Nishimoto, Sota Yamaguchi, Kohei Obuchi, Kento Mitsuyasu | 2019-06-11 |
| 10309515 | Bicycle rear sprocket | Akihiro Ohno, Tsuyoshi Fukumori | 2019-06-04 |
| 10300986 | Bicycle transmission apparatus and bicycle drive unit | Atsuhiro Emura, Yusuke Nishimoto, Sota Yamaguchi, Kohei Obuchi, Kento Mitsuyasu | 2019-05-28 |
| 10112681 | Bicycle sprocket supporting member and bicycle sprocket assembly | — | 2018-10-30 |
| 10059400 | Multiple bicycle sprocket assembly | Koji Tokuyama, Kenji Ose, Kenji Kamada, Sota Yamaguchi | 2018-08-28 |
| 10060507 | Bicycle chain | Tsuyoshi Fukumori | 2018-08-28 |
| 9932090 | Bicycle rear sprocket assembly | Toyoshi Yoshida, Tsuyoshi Fukumori | 2018-04-03 |
| 9926038 | Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sprocket assembly | Yasufumi Fukunaga, Tsuyoshi Fukumori, Koji Tokuyama, Sota Yamaguchi | 2018-03-27 |
| 9873287 | Bicycle hub assembly and bicycle transmission system | Atsuhiro Emura, Yusuke Nishimoto, Sota Yamaguchi, Kohei Obuchi | 2018-01-23 |
| 9868491 | Bicycle sprocket assembly | — | 2018-01-16 |
| 9789928 | Bicycle transmission apparatus | Atsuhiro Emura, Yusuke Nishimoto, Sota Yamaguchi, Kohei Obuchi | 2017-10-17 |
| 9623931 | Bicycle transmission apparatus | Atsuhiro Emura, Sota Yamaguchi, Yusuke Nishimoto, Kazuki Koshiyama | 2017-04-18 |
| 9403578 | Bicycle sprocket assembly and bicycle rear sprocket assembly | Toyoshi Yoshida, Tsuyoshi Fukumori | 2016-08-02 |
| 9376165 | Bicycle sprocket | — | 2016-06-28 |
| 8905880 | Chain connecting pin | Kenkichi Inoue, Tsuyoshi Fukumori | 2014-12-09 |
| 8734280 | Inner link plate for bicycle chain | Tsuyoshi Fukumori, Atsuhiro Emura | 2014-05-27 |
| 8696503 | Bicycle sprocket assembly | Koji Tokuyama, Keisuke Hyogo | 2014-04-15 |
| 8096908 | Bicycle sprocket with a laterally projecting gear change tooth | Kenji Kamada, Shingo Numata | 2012-01-17 |
| 7946941 | Bicycle outer chain link | Yusuke Nishimoto | 2011-05-24 |
| 7914410 | Bicycle chain connecting link | Kenji Kamada | 2011-03-29 |
| 7473198 | Apparatus for connecting bicycle chain links together | Kenji Kamada, Shingo Numata, Takao Harada, Nobutaka Masaoka | 2009-01-06 |