Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8525065 | Electric discharge machining apparatus and programming device | Kohtaroh Watanabe, Tatsuya Katou | 2013-09-03 |
RO
Rika Obata
Overall (All Time): #3,173,931 of 4,157,543Top 80%
1
Patents All Time