| 5837955 |
Gas circuit breaker |
Tomoaki Utsumi, Jun Nukaga, Youichi Ohshita, Kenji Tsuchiya, Hiroshi Yoshimoto |
1998-11-17 |
| 5814781 |
Puffer type gas circuit breaker |
Osamu Koyanagi, Kastuichi Kashimura, Yoshihito Asai, Yukio Kurosawa, Kenji Tsuchiya +2 more |
1998-09-29 |
| 5804787 |
Gas circuit breaker and liquid pressure-driving system to be used therefor |
Yasuhide Takeda, Tadahiko Nogami, Hideo Kawamoto, Hiroshi Maeda, Kouichi Sadou +1 more |
1998-09-08 |
| 5793597 |
Puffer type gas breaker |
Eisaku Mizufune, Yukio Kurosawa, Katsuichi Kashimura, Osamu Koyanagi, Yoshihito Asai +5 more |
1998-08-11 |
| 5750950 |
Hydraulic drive device for circuit breaker and circuit breaker using the same |
Tadahiko Nogami, Yasuhide Takeda, Hideo Kawamoto, Kouichi Sadou, Hiroshi Maeda +1 more |
1998-05-12 |
| 5728989 |
Insulation gas filled circuit breaker |
Tomoaki Utsumi, Fumihiro Endo, Takuya Sugawara, Kenji Tsuchiya |
1998-03-17 |
| 5661282 |
Gas insulated circuit breaker |
Kenji Tsuchiya, Kunio Hirasawa, Yuuichirou Yamane |
1997-08-26 |
| 5610381 |
Compression gas puffer type circuit breaker |
Eisaku Mizufune, Kenichi Natsui, Yukio Kurosawa, Yoshihito Asai, Katsuichi Kashimura +2 more |
1997-03-11 |