Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867118 | Bicycle front derailleur | Nobuyoshi Fujii, Yoshiaki Nankou | 2011-01-11 |
| 7651424 | Bicycle front derailleur | Nobuyoshi Fujii, Yoshiaki Nankou | 2010-01-26 |
KY
Kazufumi Yamamoto
Overall (All Time): #2,100,848 of 4,157,543Top 55%
2
Patents All Time