Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10673212 | Switchgear | Naoaki Inoue, Koji Sano | 2020-06-02 |
| 10453623 | Switch for gas insulated switchgear, and gas insulated switching device | Koji Sano, Naoaki Inoue | 2019-10-22 |
| 10347447 | Tank type vacuum circuit breaker | Hideki Miyatake, Tadahiro Yoshida, Toshihiro Matsunaga, Toru Kimura, Naoki Tanaka | 2019-07-09 |
| 9893515 | Power switchgear having surge suppression apparatus | Naoki Tanaka | 2018-02-13 |
| 9502868 | Gas-insulated switchgear | Koichi Kagawa, Tadahiro Yoshida | 2016-11-22 |
| 9472356 | Tank-type vacuum circuit breaker | Toshihiro Matsunaga, Hideki Miyatake, Tadahiro Yoshida, Toru Kimura, Naoki Tanaka | 2016-10-18 |
| 9431800 | Gas-insulated electric device | Tadahiro Yoshida, Kazuki Takahashi, Katsushi Nakada | 2016-08-30 |
| 9355792 | Gas insulated switchgear | Tadahiro Yoshida | 2016-05-31 |
| 9270094 | Gas insulated switchgear | Tadahiro Yoshida, Toru Nakanishi, Tetsuya Sato | 2016-02-23 |
| 9214306 | Gas insulated switchgear | Tadahiro Yoshida | 2015-12-15 |
| 9215825 | Gas insulated switchgear | Koji Sano, Tomotaka Yano, Kyoichi Ohtsuka | 2015-12-15 |
| 9136674 | Dead tank vacuum circuit breaker | Kyoichi Ohtsuka | 2015-09-15 |
| 8963037 | Vacuum circuit breaker | Katsushi Nakada | 2015-02-24 |
| 8895884 | Tank type vacuum circuit breaker | Yohei Yamamoto | 2014-11-25 |
| D709462 | Case for vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-07-22 |
| 8748770 | Power switching apparatus | Yuta Nakayama, Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Koji Sano | 2014-06-10 |
| 8743532 | Switchgear | Tomotaka Yano, Satoru Yoshida | 2014-06-03 |
| D705180 | Conductor terminal for vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-05-20 |
| 8723070 | Power switchgear | Satoru Yoshida, Tomotaka Yano, Koji Sano | 2014-05-13 |
| D703622 | Shield for vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-04-29 |
| D702192 | Actuator for vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-04-08 |
| 8680956 | Electromagnet device and switch device using electromagnet device | Taehyun Kim, Tomotaka Yano | 2014-03-25 |
| D698321 | Vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Tachyun Kim, Koji Sano +1 more | 2014-01-28 |
| D695232 | Vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2013-12-10 |
| D694711 | Insulator for vacuum circuit breaker | Tomotaka Yano, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2013-12-03 |