Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478322 | Bicycle with propelling mechanism | Atsushi Mamiya | 2002-11-12 |
| 6454287 | Bicycle | Atsushi Mamiya | 2002-09-24 |
| 6349956 | Bicycle | Atsushi Mamiya | 2002-02-26 |
| 6340067 | Bicycle equipped with drive assist | Atsushi Mamiya | 2002-01-22 |