Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286196 | Rear derailleur | Satoshi Shahana | 2025-04-29 |
| 12066056 | Bearing device, spacer, and manufacturing method | Takashi Koike, Yusuke Shibuya | 2024-08-20 |
| 12000435 | Rolling bearing and sensor-equipped rolling bearing | Hiroshi Tani, Hiroyuki Hakamata, Yusuke Shibuya | 2024-06-04 |
| 11919607 | Rear derailleur | Satoshi Shahana | 2024-03-05 |
| 11180217 | Multiple bicycle sprocket assembly | Koji Tokuyama, Kenji Ose, Toshinari Oishi, Kenji Kamada | 2021-11-23 |
| 10927940 | Bicycle sprocket | Toshinari OOISHI | 2021-02-23 |
| 10823269 | Bicycle rotor | Kenta Nakamura | 2020-11-03 |
| 10618597 | Bicycle sprocket assembly | Hiroshi Fujita | 2020-04-14 |
| 10577050 | Bicycle sprocket | Kenichi Akanishi, Atsuhiro Emura, Toshinari Oishi | 2020-03-03 |
| 10486770 | Bicycle tensioner apparatus and bicycle tensioner | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kohei Obuchi, Kento Mitsuyasu | 2019-11-26 |
| 10378637 | Bicycle sprocket | Toshinari OOISHI | 2019-08-13 |
| 10351208 | Bicycle rear derailleur | — | 2019-07-16 |
| 10316951 | Bicycle drive unit | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kohei Obuchi, Kento Mitsuyasu | 2019-06-11 |
| 10300986 | Bicycle transmission apparatus and bicycle drive unit | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kohei Obuchi, Kento Mitsuyasu | 2019-05-28 |
| 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 |
| 9789928 | Bicycle transmission apparatus | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kohei Obuchi | 2017-10-17 |
| 9623931 | Bicycle transmission apparatus | Atsuhiro Emura, Toshinari Oishi, Yusuke Nishimoto, Kazuki Koshiyama | 2017-04-18 |
| 9377089 | Chain tensioning device | Toyoto Shirai, Masanori Taniguchi | 2016-06-28 |
| 9303763 | Bicycle rear derailleur | Satoshi Shahana | 2016-04-05 |
| 9290235 | Bicycle derailleur | — | 2016-03-22 |
| 9227696 | Bicycle derailleur | — | 2016-01-05 |
| 9228643 | Chain tensioning device | Toyoto Shirai | 2016-01-05 |
| 9187149 | Bicycle derailleur with rotation resistance and resistance control | — | 2015-11-17 |