Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11747264 | Corrosion detection sensor, electrical apparatus including the same, and method of detecting corrosion | Raizo Maeda, Tetsuo Tanaka, Osamu Mizuno | 2023-09-05 |
| 9056361 | Liquid-quality adjusting apparatus, liquid-quality adjusting method, and wire electric discharge machining apparatus | Tamayo Ohata, Tatsushi Sato, Hironori Kuriki, Jyunji Tanimura, Takashi Yuzawa | 2015-06-16 |
| 8753516 | Corrosion preventing apparatus, corrosion preventing method, and wire electric discharge machining apparatus | Hironori Kuriki, Jyunji Tanimura, Tamayo Ohata, Tatsushi Sato, Takashi Yuzawa | 2014-06-17 |
| 8241916 | Diagnostic method for oil-filled electrical apparatus | Satoru Toyama, Junji Tanimura, Tsuyoshi Amimoto | 2012-08-14 |
| 8217296 | Fluid-quality control method, fluid-quality control apparatus, and electric-discharge machining apparatus employing the same | Shuuichiro Ishihara, Yooji Nakajima, Hisashi Yamada | 2012-07-10 |
| 8058582 | Electrical discharge machining apparatus and electrical discharge machining method | Syuichiro Ishihara, Yoji Nakajima, Hisashi Yamada | 2011-11-15 |
| 7795558 | Electric discharge machine and electric discharge machining method | Yoji Nakajima, Syuichiro Ishihara, Hisashi Yamada | 2010-09-14 |
| 7737380 | Electrical-discharge machining apparatus and method and apparatus for dielectric-fluid quality control | Seiji Sato, Syuichiro Ishihara | 2010-06-15 |