Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9950379 | Wire electric discharge machining apparatus | Hidetaka Miyake, Kazuhiko Fukushima | 2018-04-24 |
| 9833854 | Workpiece retainer, wire electric discharge machining device, thin-plate manufacturing method, and semiconductor-wafer manufacturing method | Takashi Yuzawa, Hidetaka Miyake, Atsushi Itokazu | 2017-12-05 |
| 9643270 | Wire discharge-machining apparatus with parallel cutting wires | Hidetaka Miyake | 2017-05-09 |
| 9550245 | Electric discharge machining apparatus, electric discharge machining method, and semiconductor substrate manufacturing method | Taichiro Tamida, Takashi Hashimoto, Akihiko Iwata | 2017-01-24 |
| 9387548 | Wire-cut electrical discharge machining apparatus and semiconductor wafer manufacturing method | Hidetaka Miyake, Kazuhiko Fukushima | 2016-07-12 |
| 9168603 | Wire electric discharge machining apparatus | Yasuo Onodera, Takahiro Shiozawa | 2015-10-27 |
| 9089916 | Wire electric discharge machining apparatus, wire electric discharge machining method, thin plate manufacturing method, and semiconductor wafer manufacturing method | Atsushi Itokazu, Hidetaka Miyake, Takashi Yuzawa, Kazuhiko Fukushima | 2015-07-28 |
| 9056361 | Liquid-quality adjusting apparatus, liquid-quality adjusting method, and wire electric discharge machining apparatus | Tamayo Ohata, Hironori Kuriki, Hisakatsu Kawarai, Jyunji Tanimura, Takashi Yuzawa | 2015-06-16 |
| 9050672 | Wire discharge-machining apparatus with parallel cutting wires | Hidetaka Miyake | 2015-06-09 |
| 8829383 | Wire electric discharge machine and wire electric discharge machining method | Yasuo Onodera, Tamayo Ohata, Hidetaka Miyake, Takashi Yuzawa, Atsushi Taneda | 2014-09-09 |
| 8753516 | Corrosion preventing apparatus, corrosion preventing method, and wire electric discharge machining apparatus | Hisakatsu Kawarai, Hironori Kuriki, Jyunji Tanimura, Tamayo Ohata, Takashi Yuzawa | 2014-06-17 |
| 8586891 | Wire electrical discharge machining apparatus | Takashi Hashimoto, Yasuo Onodera, Koichiro Hattori, Hisashi Yamada | 2013-11-19 |
| 8258420 | Wire electrical discharge machining apparatus | Yasuo Onodera, Takashi Hashimoto, Hisashi Yamada, Koichiro Hattori, Yoshikazu Ukai | 2012-09-04 |
| 8188401 | Wire electric discharge machining apparatus | — | 2012-05-29 |
| 8138442 | Wire electric discharge machining method, semiconductor wafer manufacturing method, and solar battery cell manufacturing method | Yoshihito Imai, Teiji Takahashi, Takeshi Sakata, Tomoko Sendai, Yoichiro Nishimoto +3 more | 2012-03-20 |
| 8093526 | Wire electric discharge machine with impedance switching | Takashi Hashimoto, Yasuo Onodera, Koichiro Hattori, Hisashi Yamada | 2012-01-10 |
| 8003911 | Wire electrical discharge machining apparatus | Yasuo Onodera, Takashi Hashimoto, Hisashi Yamada, Koichiro Hattori, Yoshikazu Ukai | 2011-08-23 |
| 7928337 | Apparatus for machining a workpiece using wire discharge including an upper and lower power supply unit | Yasuo Onodera, Yoshikazu Ukai, Takashi Hashimoto, Koichiro Hattori, Hisashi Yamada | 2011-04-19 |
| 6897397 | Wire electric discharge machining method and wire electric discharge machine | Junichi Shibata | 2005-05-24 |
| 6781080 | Wire electric discharge machine with stored discharge energy threshold function | Hidetaka Miyake, Seiji Satou, Yoshikazu Ukai | 2004-08-24 |
| 6730872 | Method of and apparatus for wire electric-discharge machining | Akihiro Goto, Toshio Nakashima, Junichi Shibata | 2004-05-04 |
| 6723941 | Wire electric-discharge machining apparatus | Junichi Shibata | 2004-04-20 |
| 6621033 | Electrical discharge machining apparatus | Yoshihito Imai, Hidetaka Miyake, Takayuki Nakagawa | 2003-09-16 |
| 6396021 | Wire-discharge machining apparatus | Seiji Satou, Yoshikazu Ukai | 2002-05-28 |
| 5919380 | Three-dimensional electrical discharge machining method and apparatus utilizing NC control | Takuji Magara, Akihiro Goto, Yoshihito Imai, Tomoko Sendai, Hidetaka Miyake | 1999-07-06 |