Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083001 | Waveform control device for electrical discharge machining apparatus | Yoshihide Kinbara, Yoshio Ozaki | 1992-01-21 |
| 4945199 | Electric discharge machining method and device | Toshiaki Tanaka, Yoshio Ozaki, Kooji Akamatsu, Masahiro Nakata, Atsushi Taneda | 1990-07-31 |