Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821579 | Surface treatment method using electric discharge, and an electrode for the surface treatment method | Takashi Yuzawa, Akihiro Goto | 2004-11-23 |
| 6808604 | Discharge surface treatment electrode, manufacturing method thereof and discharge surface treating method | Akihiro Goto | 2004-10-26 |
| 6784396 | Electric discharge machine for making thin hole | Satoshi Suzuki, Akifusa Katagiri, Hisao Yasuzumi, Takashi Kanaya | 2004-08-31 |
| 6686554 | Method of electrodischarge wire machining | Akihiro Goto, Seiji Satou | 2004-02-03 |