Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815630 | Wire electric discharge machine | Shuichiro Ishihara, Hisashi Yamada | 2004-11-09 |
| 6698639 | Automatic wire supply system of wire cut electrodischarge machine | Hisashi Yamada, Yutaka Terada | 2004-03-02 |