| 5153518 |
Synthetic equivalent test circuit of circuit breaker |
Minori Satoh, Isao Takahashi, Kastuichi Kashimura, Kunio Hirasawa |
1992-10-06 |
| 5133825 |
Plasma generating apparatus |
Yoshimi Hakamata, Ken-ichi Natsui, Tadashi Sato, Hiroaki Kojima, Yasunori Ohno +1 more |
1992-07-28 |
| 5079391 |
Puffer type gas circuit breaker, contact cover and insulated nozzle of the breaker |
Osamu Koyanagi, Masanori Tsukushi, Yasuharu Seki |
1992-01-07 |
| 5079392 |
Gas circuit breaker |
Masanori Tsukushi, Osamu Koyanagi, Yashuharu Seki |
1992-01-07 |
| 5039831 |
Circuit breaker |
Minori Sato, Kastuichi Kashimura, Masanori Tsukushi, Kazuhiro Saito, Osamu Koyanagi +1 more |
1991-08-13 |
| 5038082 |
Vacuum switch apparatus |
Hiroshi Arita, Kouzi Suzuki, Hiroyuki Sugawara |
1991-08-06 |
| 5012051 |
Three-phase common container-type circuit breaker |
Masanori Tsukushi, Osamu Koyanagi, Yasuharu Seki, Tokio Goto |
1991-04-30 |
| 4975800 |
Contact abnormality detecting system |
Youichi Oshita, Akira Hashimoto, Yoshiaki Inui, Tokio Yamagiwa |
1990-12-04 |
| 4939322 |
Puffer type circuit breaker |
Katsuichi Kashimura, Minori Sato, Osamu Koyanagi |
1990-07-03 |
| 4864286 |
Switch operation monitoring apparatus |
Youichi Ohshita, Akira Hashimoto, Masanori Tsukushi, Kiyoshi Okumura |
1989-09-05 |
| 4851668 |
Ion source application device |
Tasunori Ohno, Tomoe Kurosawa, Tadashi Sato, Yoshimi Hakamata |
1989-07-25 |
| 4847476 |
Ion source device |
Tadashi Sato, Yasunori Ohno, Tomoe Kurosawa, Nobuya Sekimoto, Yoshimi Hakamata +1 more |
1989-07-11 |
| 4739169 |
Ion source |
Yoshimi Hakamata, Yasunori Ohno, Kunio Hirasawa, Tadashi Sato |
1988-04-19 |
| 4713585 |
Ion source |
Yasunori Ohno, Tomoe Kurosawa, Tadashi Sato, Yoshimi Hakamata |
1987-12-15 |
| 4704506 |
Vacuum interrupter |
Kiyoji Iwashita, Morihisa Matumoto, Takanao Kurasawa, Syunkichi Endo |
1987-11-03 |
| 4695689 |
Vacuum circuit breaker |
Kiyoji Iwashita |
1987-09-22 |
| 4551596 |
Surge-absorberless vacuum circuit interrupter |
Ryuji Watanabe, Hisashi Ando, Keiichi Kuniya |
1985-11-05 |
| 4546222 |
Vacuum switch and method of manufacturing the same |
Ryuji Watanabe, Akira Wada, Hisashi Ando, Seiki Shimizu, Kiyoji Iwashita |
1985-10-08 |
| 4430536 |
Vacuum interrupter |
Akira Wada, Kiyoji Iwashita, Hideaki Tsuda |
1984-02-07 |
| 4427857 |
Vacuum interrupter |
Nobuo Abe, Hiroyuki Sugawara, Akira Wada, Kiyoji Iwashita |
1984-01-24 |
| 4336430 |
Vacuum interrupter |
Yukio Kawakubo, Nobuo Abe |
1982-06-22 |
| 4210790 |
Vacuum-type circuit interrupter |
Hiroyuki Sugawara, Yukio Kawakubo |
1980-07-01 |
| 4196327 |
Vacuum interrupter |
Yukio Kawakubo, Hiroyuki Sugawara |
1980-04-01 |