Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586891 | Wire electrical discharge machining apparatus | Takashi Hashimoto, Yasuo Onodera, Tatsushi Sato, Hisashi Yamada | 2013-11-19 |
| 8350177 | Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece | Takashi Hashimoto, Takashi Yuzawa, Yoshikazu Ukai | 2013-01-08 |
| 8309876 | Electric discharge machining apparatus and electric discarge machining method | Takashi Hashimoto, Takashi Yuzawa, Yoshikazu Ukai | 2012-11-13 |
| 8258420 | Wire electrical discharge machining apparatus | Yasuo Onodera, Tatsushi Sato, Takashi Hashimoto, Hisashi Yamada, Yoshikazu Ukai | 2012-09-04 |
| 8183492 | Power supply circuit for wire electric discharge machining apparatus | Takashi Hashimoto, Yoshikazu Ukai | 2012-05-22 |
| 8093526 | Wire electric discharge machine with impedance switching | Takashi Hashimoto, Yasuo Onodera, Tatsushi Sato, Hisashi Yamada | 2012-01-10 |
| 8003911 | Wire electrical discharge machining apparatus | Yasuo Onodera, Tatsushi Sato, Takashi Hashimoto, Hisashi Yamada, Yoshikazu Ukai | 2011-08-23 |
| 7928337 | Apparatus for machining a workpiece using wire discharge including an upper and lower power supply unit | Yasuo Onodera, Tatsushi Sato, Yoshikazu Ukai, Takashi Hashimoto, Hisashi Yamada | 2011-04-19 |