Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353992 | Method of manufacturing a bicycle crank | — | 2002-03-12 |
| 6227070 | Bicycle crank and method for manufacturing same | Yamanaka Masahiro | 2001-05-08 |
| 6195894 | Bicycle crank and method for manufacturing same | Yamanaka Masahiro | 2001-03-06 |
| 6079294 | Bicycle crank and method for manufacturing same | — | 2000-06-27 |