Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821579 | Surface treatment method using electric discharge, and an electrode for the surface treatment method | Akihiro Goto, Toshio Moro | 2004-11-23 |
| 6713706 | Jump control apparatus for electric discharge shaping/profiling machine | Masao Akiyoshi | 2004-03-30 |