Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395855 | Switch | Masato Kubota | 2019-08-27 |
| 9866017 | DC power generation system and protection method for DC power generation system | Makoto Kanemaru, Takeshi Shindoi | 2018-01-09 |
| 9646785 | Vacuum monitoring device | Naoaki Inoue, Junichi Abe, Tomoko Tanabe, Satoru Yoshida | 2017-05-09 |
| 9324521 | Power switchgear | Yuta Nakayama, Taehyun Kim | 2016-04-26 |
| 9215825 | Gas insulated switchgear | Koji Sano, Masahiro Arioka, Kyoichi Ohtsuka | 2015-12-15 |
| 9208978 | Electromagnetic operating device | Kyoichi Otsuka | 2015-12-08 |
| D709462 | Case for vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-07-22 |
| 8754730 | Electromagnetically operated switching device | Toru Kimura | 2014-06-17 |
| 8748770 | Power switching apparatus | Yuta Nakayama, Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Koji Sano | 2014-06-10 |
| 8743532 | Switchgear | Satoru Yoshida, Masahiro Arioka | 2014-06-03 |
| D705180 | Conductor terminal for vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-05-20 |
| 8723070 | Power switchgear | Satoru Yoshida, Masahiro Arioka, Koji Sano | 2014-05-13 |
| D703622 | Shield for vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-04-29 |
| D702192 | Actuator for vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2014-04-08 |
| 8680956 | Electromagnet device and switch device using electromagnet device | Taehyun Kim, Masahiro Arioka | 2014-03-25 |
| D698321 | Vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Tachyun Kim, Koji Sano +1 more | 2014-01-28 |
| D695232 | Vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2013-12-10 |
| D694711 | Insulator for vacuum circuit breaker | Masahiro Arioka, Kyoichi Otsuka, Satoru Yoshida, Taehyun Kim, Koji Sano +1 more | 2013-12-03 |
| 8237075 | Vacuum circuit breaker and gas-insulated switchgear using the same | Hiroshi Isoya, Masahiro Arioka | 2012-08-07 |
| 8149077 | Electromagnetic operating device for switch | Masahiro Arioka | 2012-04-03 |
| 8040210 | Electromagnetically operated switching device | Tae Hyun Kim, Akihiko Maruyama | 2011-10-18 |
| 7910847 | Switchgear apparatus | Osamu Takahara, Tae Hyun Kim, Akihiko Imagi | 2011-03-22 |
| 7812273 | Switchgear apparatus | Osamu Takahara, Tae Hyun Kim, Akihiko Imagi | 2010-10-12 |
| 6510046 | Gas-insulated switchgear | Masahiro Arioka | 2003-01-21 |
| 6490149 | Drawing apparatus for a drawer type electrical machinery | Coichi Shichida, Yuichi Yamaji, Takashi Sekiya | 2002-12-03 |