Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674189 | Spindle apparatus | Akira Watanabe, Tetsuo Ichikizaki, Keiji Mizuta | 2004-01-06 |
KH
Kenji Hamanaka
Overall (All Time): #3,466,329 of 4,157,543Top 85%
1
Patents All Time