Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337403 | Change device, fine hole electric discharge machine and electrode change method | Yasuhiko Fujisawa | 2025-06-24 |
| 11590594 | Lower guide unit of electrical discharge machine | Jun Takahashi, Yasuhiko Fujisawa | 2023-02-28 |
| 11465222 | Electric discharge machining unit of electric discharge machining apparatus | Jun Takahashi, Yasuhiko Fujisawa | 2022-10-11 |
| 9254529 | Wire electric discharge machining apparatus | Hirotoshi Inoue | 2016-02-09 |
| 8647511 | Method for recovering corrosion preventive agent in electrodischarge machining liquid supply apparatus | Yasunori Takahashi | 2014-02-11 |
| 6627838 | Small hole electric discharge machine | Kazuo Kato, Yoshihiro Kurosaka | 2003-09-30 |