Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686721 | Bicycle chainring | Masahiro Yamanaka, Toshio Tetsuka, Shingo Shiraishi, Hideya Inoue, Yusuke Nishimoto +1 more | 2010-03-30 |
| 7503700 | Bicycle bottom bracket assembly | Masahiro Yamanaka, Shingo Shiraishi | 2009-03-17 |
| 6868752 | Assisting apparatus for changing speeds in a bicycle transmission | Toshio Tetsuka, Takanori Kanehisa, Tetsuya Hino, Etsuyoshi Watarai, Satoshi Shahana | 2005-03-22 |
| 6511133 | Bicycle hub with spoke seal | — | 2003-01-28 |
| 6485108 | Bicycle hub | — | 2002-11-26 |
| 6431657 | Bicycle hub for disc brake | — | 2002-08-13 |
| 6354669 | Bicycle hub for tangential spokes | — | 2002-03-12 |
| 6352314 | Bicycle hub for disc brake | — | 2002-03-05 |
| 6309028 | Bicycle hub | Takanori Kanehisa | 2001-10-30 |
| 6202813 | Pawl noise dampening mechanism for a bicycle freewheel | Yasuhiro Yahata | 2001-03-20 |
| 6013005 | Bicycle hub transmission with a cylindrical bolt for coupling a weight support to a hub shell | — | 2000-01-11 |
| 6010425 | Automatic bicycle hub transmission using flyweights | — | 2000-01-04 |
| 6004240 | Bicycle hub transmission having a two-piece driver | — | 1999-12-21 |
| 5909931 | Bicycle hub | — | 1999-06-08 |
| 5662197 | Bicycle roller clutch | — | 1997-09-02 |
| 5642796 | Bicycle hub | — | 1997-07-01 |