Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897581 | Bicycle sprocket, sprocket assembly, rear sprocket assembly, and drive train of bicycle | Tooru Iwai, Toyoshi Yoshida | 2024-02-13 |
| 10875355 | Bicycle component and bicycle rim | Toru Iwai, Toyoshi Yoshida | 2020-12-29 |
| 10864964 | Bicycle sprocket assembly | Toru Iwai, Toyoshi Yoshida | 2020-12-15 |
| 10774915 | Bicycle sprocket assembly | Tooru Iwai, Toyoshi Yoshida | 2020-09-15 |
| 10584786 | Bicycle sprocket assembly | Tooru Iwai, Toyoshi Yoshida | 2020-03-10 |
| 10538287 | Bicycle crank arm | Tooru Iwai, Toyoshi Yoshida | 2020-01-21 |
| 10442496 | Bicycle sprocket assembly | Tooru Iwai, Toyoshi Yoshida | 2019-10-15 |
| 10377445 | Bicycle front sprocket assembly | Yuki Hirose, Atsuhiro Emura | 2019-08-13 |
| 10315724 | Composite bicycle component | Toyoshi Yoshida, Wataru Yamauchi | 2019-06-11 |
| 10259262 | Bicycle rim | Tooru Iwai, Toyoshi Yoshida | 2019-04-16 |
| 9829085 | Bicycle sprocket | Toru Iwai, Makoto Souwa, Toyoshi Yoshida | 2017-11-28 |
| 9551389 | Bicycle disc brake caliper | Shinya Hirotomi, Osamu Kariyama, Takahiro Yamashita, Masahito Nakakura | 2017-01-24 |
| 9511819 | Bicycle rear sprocket assembly | Etsuyoshi Watarai, Tooru Iwai, Toyoshi Yoshida | 2016-12-06 |
| 9475545 | Bicycle crank arm and bicycle crank assembly | Masahiro Yamanaka, Yusuke Nishimoto, Yuki Watanabe | 2016-10-25 |
| 9365261 | Composite bicycle component, composite bicycle crank arm, and method for manufacturing composite bicycle component | Masahiro Yamanaka | 2016-06-14 |
| 9359042 | Bicycle crank assembly | Masahiro Yamanaka | 2016-06-07 |
| 9302736 | Bicycle sprocket | Tooru Iwai, Toyoshi Yoshida | 2016-04-05 |
| 8955410 | Bicycle crank assembly | Masahiro Yamanaka, Eigo Kuroiwa | 2015-02-17 |
| 8828169 | Hollow composite bicycle component | — | 2014-09-09 |
| 8616085 | Bicycle crank assembly | Masahiro Yamanaka | 2013-12-31 |
| 8438947 | Bicycle crank arm | Masahiro Yamanaka, Eigo Kuroiwa | 2013-05-14 |
| 7967709 | Bicycle sprocket | Atsuhiro Emura | 2011-06-28 |
| 7850564 | Bicycle sprocket | — | 2010-12-14 |
| 7824287 | Bicycle sprocket | Hideya Inoue, Atsuhiro Emura | 2010-11-02 |
| 7527277 | Bicycle crank | Toyoshi Yoshida, Tsukasa Fukuta | 2009-05-05 |