| 7339132 |
Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston |
Hajime Urai, Youichi Ohshita, Makoto Koizumi, Naoki Osawa, Hiroaki Hashimoto |
2008-03-04 |
| 6664494 |
Current collector and gas circuit breaker |
Makoto Hirose, Tomoyuki Andou |
2003-12-16 |
| 6624370 |
Gas circuit breaker |
Takuichiro Soga, Wataru Tamura, Hideo Kawamoto, Takeshi Iryo |
2003-09-23 |
| 6621030 |
Gas-insulated switchgear |
Tomoyuki Andou, Makoto Hirose, Osamu Koyanagi |
2003-09-16 |
| 6515247 |
Gas insulated switchgear |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki |
2003-02-04 |
| 6399911 |
Gas insulated switchgear apparatus |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki, Yasuhito Watanabe |
2002-06-04 |
| 6337452 |
Gas insulated switchgear with flange-spacer assembly |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki |
2002-01-08 |
| 6278073 |
Gas insulated switching apparatus |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki, Yasuhito Watanabe |
2001-08-21 |
| 6219225 |
Gas insulated switch gear and method for assembling therefor |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki |
2001-04-17 |
| 6188034 |
Gas insulated switchgear with flange-spacer assembly |
Keiichi Tsuzura, Kazuhiko Takahashi, Minoru Yabuki |
2001-02-13 |
| 6067217 |
Current limiter |
Hiroshi Arita |
2000-05-23 |
| 5883774 |
Current limiter |
Hiroshi Arita |
1999-03-16 |
| 5825162 |
Electric power flow controller |
Hiroshi Arita, Shinichi Kondo |
1998-10-20 |
| 5726843 |
Current limiting circuit breaker |
Hiroshi Arita |
1998-03-10 |
| 5699219 |
Ground fault current limiter and method of limiting ground fault current |
Hiroshi Arita, Yoshiaki Matsui, Tokio Yamagiwa, Shigeyuki Sugimoto, Sadanori Neo |
1997-12-16 |
| 5467049 |
Solid-state switch |
Hiroshi Arita, Yukio Kurosawa |
1995-11-14 |