Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11070039 | Insulation spacer and gas insulation shutoff apparatus using the insulation spacer | Hirokazu Furui, Makoto Hirose | 2021-07-20 |
| 10991529 | Gas-blast circuit breaker | Hideyuki KOTSUJI, Makoto Hirose, Takahiro Nishimura | 2021-04-27 |
| 10755442 | Oil leakage detector and oil leakage detection method and image processing unit | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Toshiaki Rokunohe, Akira YAMAGISHI +1 more | 2020-08-25 |
| 10234355 | Leakage oil detection system | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Akira YAMAGISHI, Yasutomo Saito | 2019-03-19 |
| 10113933 | Leakage oil detector system and method | Li Lu, Toshiaki Rokunohe, Tomohiro Moriyama, Akira YAMAGISHI, Yasutomo Saito | 2018-10-30 |
| 10090095 | Stationary induction electrical apparatus | Li Lu, Kenichi Kawamura, Hiroshi Miyao, Hiroshi Morita, Satoshi Ichimura +4 more | 2018-10-02 |
| 9898830 | Oil leakage detector and oil leakage detection method | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Toshiaki Rokunohe, Akira YAMAGISHI +1 more | 2018-02-20 |
| 9613762 | Power switchgear | Yoshio Hamadate, Tomohiro Moriyama, Yoshiaki Seya | 2017-04-04 |
| 7885381 | Method for inspecting pipes, and radiographic non-destructive inspection apparatus | Yasushi NAGUMO, Hiroshi Kamimura, Noriyuki Sadaoka, Satoshi Takemori, Kojirou Kodaira | 2011-02-08 |
| 5837955 | Gas circuit breaker | Tomoaki Utsumi, Youichi Ohshita, Goro Daimon, Kenji Tsuchiya, Hiroshi Yoshimoto | 1998-11-17 |