Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781080 | Wire electric discharge machine with stored discharge energy threshold function | Tatsushi Sato, Hidetaka Miyake, Seiji Satou | 2004-08-24 |
| 6756557 | Power supply for wire electric discharge machining | Seiji Satou | 2004-06-29 |
| 6727455 | Power supply system for applying a voltage of both positive and negative polarities in electric discharge machining | Seiji Satou | 2004-04-27 |