Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614234 | Electric discharge machine | Yoshihito Imai, Hidetaka Miyake, Akihiro Goto | 2003-09-02 |
| 6552291 | Wire electric discharge machine | Hiroatsu Kobayashi, Seiji Satou | 2003-04-22 |