Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461211 | Groove forming method by discharge machining | Hiroshi Yoshidaa, Tadashi Kigawa | 1995-10-24 |
KO
Kazuhiko Oota
Overall (All Time): #3,782,759 of 4,157,543Top 95%
1
Patents All Time