Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463339 | Electromagnetic powder clutch | Fumio Ono, Yoshiharu Kobayashi | 2002-09-24 |
KM
Kazutoshi Muraoka
Overall (All Time): #3,558,822 of 4,157,543Top 90%
1
Patents All Time