Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10512980 | Wire electrical discharge machining system and relative positional relationship calculating method | Akiyoshi Kawahara | 2019-12-24 |
| 10376975 | Wire electric discharge machine with tension monitoring function | Akiyoshi Kawahara, Yasuo Nakashima | 2019-08-13 |
| 10124432 | Electrical discharge machine | Akiyoshi Kawahara, Yasuo Nakashima | 2018-11-13 |
| 7795881 | Capacitive physical quantity detection device | Junji Hayakawa | 2010-09-14 |
| 7028237 | Internal bus testing device and method | Akio Hara, Kohji Kitagawa | 2006-04-11 |
| 6653871 | Method of and circuit for controlling a clock | Hiroyoshi Yamashita, Akio Hara, Kohji Kitagawa | 2003-11-25 |