Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589369 | Electrode wire for electrical discharge machining and method of manufacturing electrode wire for electrical discharge machining | Yoichiro Kimoto, Yuji MIURA, Yuki Hashimoto, Hengbo Su, Takayuki Nakagawa | 2020-03-17 |
| 9272349 | Numerical control device, wire electric discharge machining apparatus using the same, and wire electric discharge machining method using the same | Yasuo Onodera, Takahiro Shiozawa, Seiji Satou, Hiroatsu Kobayashi | 2016-03-01 |
| 9130554 | High-frequency power source device | Takashi Hashimoto, Junichi Shibata | 2015-09-08 |
| 8350177 | Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece | Takashi Hashimoto, Koichiro Hattori, Takashi Yuzawa | 2013-01-08 |
| 8309876 | Electric discharge machining apparatus and electric discarge machining method | Takashi Hashimoto, Takashi Yuzawa, Koichiro Hattori | 2012-11-13 |
| 8258420 | Wire electrical discharge machining apparatus | Yasuo Onodera, Tatsushi Sato, Takashi Hashimoto, Hisashi Yamada, Koichiro Hattori | 2012-09-04 |
| 8183492 | Power supply circuit for wire electric discharge machining apparatus | Takashi Hashimoto, Koichiro Hattori | 2012-05-22 |
| 8003911 | Wire electrical discharge machining apparatus | Yasuo Onodera, Tatsushi Sato, Takashi Hashimoto, Hisashi Yamada, Koichiro Hattori | 2011-08-23 |
| 7928337 | Apparatus for machining a workpiece using wire discharge including an upper and lower power supply unit | Yasuo Onodera, Tatsushi Sato, Takashi Hashimoto, Koichiro Hattori, Hisashi Yamada | 2011-04-19 |
| 7638726 | Wire electric discharge machining apparatus and wire electric discharge machining method | Takashi Hashimoto, Tatsushi Satou, Akihiko Iwata, Yasuo Onodera | 2009-12-29 |
| 7552531 | Method of manufacturing a printed wiring board having a previously formed opening hole in an innerlayer conductor circuit | Masaru Takada, Kiyotaka Tsukada, Hiroyuki Kobayashi, Hisashi Minoura, Mitsuhiro Kondo | 2009-06-30 |
| 6930273 | Power supply unit for wire electrical discharge machining and method of wire electrical discharge machining | Toshio Nakashima, Kouichirou Hattori, Atsushi Taneda, Akihiro Goto, Takashi Hashimoto | 2005-08-16 |
| 6781080 | Wire electric discharge machine with stored discharge energy threshold function | Tatsushi Sato, Hidetaka Miyake, Seiji Satou | 2004-08-24 |
| 6756557 | Power supply for wire electric discharge machining | Seiji Satou | 2004-06-29 |
| 6727455 | Power supply system for applying a voltage of both positive and negative polarities in electric discharge machining | Seiji Satou | 2004-04-27 |
| 6590165 | Printed wiring board having throughole and annular lands | Masaru Takada, Kiyotaka Tsukada, Hiroyuki Kobayashi, Hisashi Minoura, Mitsuhiro Kondo | 2003-07-08 |
| 6580048 | Electrical discharge machining apparatus supplying initial and processing currents | Takashi Hashimoto, Akihiro Suzuki, Taichirou Tamida, Akihiko Iwata, Yoshikazu Tsunoda +1 more | 2003-06-17 |
| 6396021 | Wire-discharge machining apparatus | Tatsushi Sato, Seiji Satou | 2002-05-28 |
| 6358630 | Soldering member for printed wiring boards | Kiyotaka Tsukada, Hiroyuki Kobayashi, Kenji Chihara, Yoshihide Tohyama, Yasuyoshi Okuda +1 more | 2002-03-19 |