Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6028281 | Wire cut electric discharge method and apparatus | Hisanori Yamada | 2000-02-22 |
| 5841091 | Electrical discharge machining device and electrical discharge machining method | Toshihiko Furukawa | 1998-11-24 |