Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630641 | Electric discharge machining apparatus generating preliminary discharge and machining discharge pulses | Takashi Hashimoto, Akihiro Suzuki, Akihiko Iwata, Atsushi Taneda | 2003-10-07 |