Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7258041 | Bicycle crank assembly | Yoko Terasawa, Sota Hamada, Takahiro Nakano, Yoshiyuki Yoshida, Takashi Ishihara +1 more | 2007-08-21 |
| 7240585 | Drive mechanism for a bicycle transmission assist mechanism | Yoshiaki Nanko, Toshio Tetsuka | 2007-07-10 |
| 7234373 | Bicycle crank axle with a radial projection | — | 2007-06-26 |
| RE39528 | Bicycle hub with spacer and detachable freewheel | Takanori Kanehisa | 2007-03-27 |
| 7152501 | Bicycle crank fixing structure | Fujihisa Tatsumi | 2006-12-26 |
| 7061228 | Apparatus for detecting rotation of a bicycle part | Tadashi Ichida | 2006-06-13 |
| 6988427 | Seal assembly for a bicycle bottom bracket | — | 2006-01-24 |
| 6938516 | Bicycle crank axle bolt | — | 2005-09-06 |
| 6860171 | Drive mechanism for a bicycle transmission assist mechanism | Yoshiaki Nanko, Toshio Tetsuka | 2005-03-01 |
| 6845687 | Bicycle crank arm | — | 2005-01-25 |
| 6755095 | Bicycle crank assembly and assembly tools | — | 2004-06-29 |
| 6475110 | Bicycle front chainwheel assembly | — | 2002-11-05 |
| 6450909 | Bicycle front chainwheel assembly | — | 2002-09-17 |
| 6443865 | Bicycle front chainwheel assembly | — | 2002-09-03 |
| 6415684 | Bicycle crank arm parts/assembly and assembly tools | — | 2002-07-09 |
| 6409281 | Bicycle hub with spacer and detachable freewheel | Takanori Kanehisa | 2002-06-25 |
| 6393939 | Bicycle crank arm parts/assembly and assembly tools | — | 2002-05-28 |
| 6276885 | Bicycle crank arm parts/assembly and assembly tools | — | 2001-08-21 |
| 6145184 | Method of manufacturing hollow bicycle crank arm | — | 2000-11-14 |
| 6058803 | Hollow bicycle crank and method for manufacturing same | — | 2000-05-09 |
| 6059171 | Bicycle crank and manufacturing method | Toru Iwai | 2000-05-09 |
| 5988016 | Bycycle crank arm | — | 1999-11-23 |
| 5957592 | Expandable bearing retainer | — | 1999-09-28 |
| 5907980 | Bicycle crank arm parts/assembly and assembly tools | — | 1999-06-01 |
| 5904072 | Bicycle crank arm | — | 1999-05-18 |