Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639172 | Method of and apparatus for wire electric discharge machining capable of machining the machining subject coarsely in a dielectric fluid and finely in a gaseous environment | Akihiro Goto, Seiji Satou | 2003-10-28 |
| 6627834 | Wire electrical discharge apparatus | Shiro Imai | 2003-09-30 |
| 6602561 | Electrode for discharge surface treatment and manufacturing method therefor and discharge surface treatment method and device | Akihiro Goto | 2003-08-05 |
| 6512193 | Wire electric discharge machine | Seiji Satou | 2003-01-28 |