Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11277000 | DC electrical circuit protection apparatus and ARC detection method | Makoto Kanemaru, Mitsugi Mori | 2022-03-15 |
| 10883895 | Abnormality diagnostic device for power transmission mechanism and abnormality diagnostic method for power transmission mechanism | Makoto Kanemaru, Takuya Ohkubo, Tomoko Takasuka, Toshihiko MIYAUCHI | 2021-01-05 |
| 10593493 | Electromagnetically moving device | Tomoko Takasuka, Mitsugi Mori | 2020-03-17 |
| 9030280 | Electromagnetically operated device and switching device including the same | Kazuki Takahashi, Tomoko Tanabe, Taehyun Kim, Toru Kimura | 2015-05-12 |
| 8803457 | AC motor drive control device | Hidetoshi Kitanaka | 2014-08-12 |
| 8598837 | Driving controller for AC motor | Hidetoshi Kitanaka, Hideo Okayama, Shinichi Furutani, Toshie Takeuchi | 2013-12-03 |
| 8520368 | Gas insulated switchgear | Kazuki Takahashi, Hitoshi Sadakuni | 2013-08-27 |
| 8248193 | Electromagnetic switch for auxiliary-rotation starter | Naohito Kaneda, Taehyun Kim, Koichiro Kamei, Noriaki Moriyama | 2012-08-21 |
| 8242643 | Three-stable oscillating electromagnetic actuator | Kazuki Takahashi, Takafumi Nakagawa | 2012-08-14 |
| 7936549 | State grasp device, and switching control device of power switching apparatus employing the state grasp device | Toshie Takeuchi, Akihiko Maruyama, Toshihiro Matsunaga, Katsuhiko Horinouchi | 2011-05-03 |
| 7102475 | Magnetic actuator | Takafumi Nakagawa, Toshie Takeuchi, Kenichi Koyama, Tetsuya Matsuda, Nobumoto Tohya | 2006-09-05 |
| 6933827 | Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator | Toshie Takeuchi, Nobumoto Tohya, Takafumi Nakagawa, Yoshiharu Kobayashi, Hitoshi Gotou | 2005-08-23 |
| 6882515 | Operation circuit and power switching device employing the operation circuit | Toshie Takeuchi, Yasushi Takeuchi, Kenichi Koyama | 2005-04-19 |
| 6624374 | Switching apparatus | Kenichi Koyama, Toyomi Ooshige, Hiroyuki Sasao, Hiroyuki Akita, Yukimori Kishida +1 more | 2003-09-23 |
| 6611413 | Switching apparatus | Toshie Takeuchi, Toyomi Ooshige, Hiroyuki Sasao, Hiroyuki Akita, Yukimori Kishida +2 more | 2003-08-26 |
| 6580345 | Switching device | Hiroyuki Akita, Toyomi Ooshige, Hiroyuki Sasao, Kenichi Koyama, Yukimori Kishida +1 more | 2003-06-17 |
| 6573815 | Circuit breaker | Takao Mitsuhashi, Masahiro Fushimi, Shinji Yamagata | 2003-06-03 |
| 6373014 | Current limiting device and circuit interrupter having a current limiting function | Takao Mitsuhashi, Mitsugu Takahashi, Masahiro Fushimi, Kazunori Fukuya, Shiro Murata +1 more | 2002-04-16 |