Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124432 | Electrical discharge machine | Masashi Masuda, Akiyoshi Kawahara | 2018-11-13 |
| 10086458 | Electrical discharge machine of which axis feeding properties are changeable | Akiyoshi Kawahara | 2018-10-02 |
| 9950378 | Wire electric discharge machine | Tomoyuki Furuta, Shinji Yoda, Akiyoshi Kawahara | 2018-04-24 |