Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10376975 | Wire electric discharge machine with tension monitoring function | Masashi Masuda, Akiyoshi Kawahara | 2019-08-13 |
| 10315263 | Wire electric discharge machine operating with constant inter-pole distance | Akiyoshi Kawahara | 2019-06-11 |
| 10265790 | Wire electric discharge machine having function of cleaning inside of machining tank | Tomoaki Matsunaga, Akiyoshi Kawahara | 2019-04-23 |
| 10220458 | Machining power supply device for electric discharge machine | Akiyoshi Kawahara | 2019-03-05 |