Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259176 | Cotter device for lawn mower | Kenjiro Haratsuna, Naoki Kinoshita | 1993-11-09 |
RK
Ryo Kahamura
Overall (All Time): #3,836,875 of 4,157,543Top 95%
1
Patents All Time