| 10755442 |
Oil leakage detector and oil leakage detection method and image processing unit |
Li Lu, Satoshi Ichimura, Jun Nukaga, Toshiaki Rokunohe, Akira YAMAGISHI +1 more |
2020-08-25 |
| 10234355 |
Leakage oil detection system |
Li Lu, Satoshi Ichimura, Jun Nukaga, Akira YAMAGISHI, Yasutomo Saito |
2019-03-19 |
| 10155916 |
Lubricant for gas insulated switchgear, and gas insulated switchgear |
Takayuki Nakakawaji, Hiroyuki Akata, Kazuhiro Satou, Makoto Hirose |
2018-12-18 |
| 10113933 |
Leakage oil detector system and method |
Li Lu, Toshiaki Rokunohe, Jun Nukaga, Akira YAMAGISHI, Yasutomo Saito |
2018-10-30 |
| 9898830 |
Oil leakage detector and oil leakage detection method |
Li Lu, Satoshi Ichimura, Jun Nukaga, Toshiaki Rokunohe, Akira YAMAGISHI +1 more |
2018-02-20 |
| 9613762 |
Power switchgear |
Jun Nukaga, Yoshio Hamadate, Yoshiaki Seya |
2017-04-04 |
| 7631458 |
Wire drum window regulator |
Hakurei Watanabe, Takashi Ogawa |
2009-12-15 |
| 7388384 |
Method and system for monitoring partial discharge in gas-insulated apparatus |
Tatsuro Kato, Fumihiro Endo |
2008-06-17 |
| 7256584 |
Method and system for measuring partial discharge |
Tatsuro Kato, Toshiaki Rokunohe, Fumihiro Endo, Ryoichi Shinohara |
2007-08-14 |
