Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381443 | Sheet punching device and image forming apparatus having the same | Wataru Kawata, Nobutaka Uto, Yuji Yamanaka | 2002-04-30 |
MK
Mitsugu Kamizuru
Overall (All Time): #3,542,907 of 4,157,543Top 90%
1
Patents All Time