Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554730 | Auxiliary device for bicycle with traction roller type gear | Koichi Sakai, Ryoichi Otaki, Hisashi Machida | 2003-04-29 |
AO
Atsushi Ozawa
Overall (2003): #259,771 of 273,478Top 95%
1
Patents 2003