| 12412706 |
Vacuum capacitor |
Yuichi Nishikiori, Takuya Shimokawa, Yoshiyuki Tanimizu |
2025-09-09 |
| 11342127 |
Transformer for vacuum capacitor type instrument |
Osamu Takeya, Yoshiyuki Tanimizu, Toshimasa Fukai, Toshinori Tatsumi |
2022-05-24 |
| 10068741 |
Field emission device and reforming treatment method |
Daizo Takahashi, Toshimasa Fukai |
2018-09-04 |
| 9159488 |
Vacuum capacitor-voltage-transformer |
Toru Nishizawa, Toshimasa Fukai, Kaoru Kitakizaki, Takayoshi Tanimura |
2015-10-13 |
| 8755166 |
Vacuum capacitor |
Eiichi Takahashi, Toshimasa Fukai, Toshinori Tatsumi, Yuichi Nishikiori, Kaoru Kitakizaki |
2014-06-17 |
| 8749946 |
Vacuum capacitor |
Eiichi Takahashi, Toshimasa Fukai, Toshinori Tatsumi, Yuichi Nishikiori, Kaoru Kitakizaki |
2014-06-10 |
| 7091807 |
Electromagnetic device |
Toyohisa Tsuruta, Toshimasa Fukai, Akira Nishijima, Hiroshi Fujimaki, Yoshiyuki Tanimizu |
2006-08-15 |
| 7041930 |
Bellows for use in vacuum capacitor |
Eiichi Takahashi, Toshimasa Fukai |
2006-05-09 |
| 6498314 |
Vacuum switch and vacuum switchgear using the same |
Takuya Miyo, Syuuichi Kikukawa, Katunori Kojima, Ayumu Morita, Hiroshi Yokoyama +2 more |
2002-12-24 |
| 6495786 |
Vacuum exhaust element of vacuum switch |
Masashige Tsuji, Ayumu Morita, Katsunori Kojima, Yuichi Ishikawa, Yoshiharu Yotsumoto |
2002-12-17 |
| 6437275 |
Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof |
Shigeru Kikuchi, Masato Kobayashi, Katsuhiro Komuro, Yoshimi Hakamata, Kathumi Kuroda +2 more |
2002-08-20 |
| 6268579 |
Vacuum switchgear |
Satoru Kajiwara, Yoshiyasu Watanabe, Yozo Shibata, Ayumu Morita |
2001-07-31 |
| 6259051 |
Vacuum switch and a vacuum switchgear using the same |
Masato Kobayashi, Shuichi Kikukawa, Ayumu Morita, Minoru Suzuki, Yoshimi Hakamata +6 more |
2001-07-10 |
| 6248969 |
Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor |
Katsuhiro Komuro, Yoshitaka Kojima, Noboru Baba, Ryo Hiraga, Yoshimi Hakamata +3 more |
2001-06-19 |
| 6153846 |
Vacuum insulated switching apparatus |
Ayumu Morita, Kenichi Natsui |
2000-11-28 |
| 6144005 |
Vacuum switch and a vacuum switchgear using the same |
Masato Kobayashi, Shuichi Kikukawa, Ayumu Morita, Minoru Suzuki, Yoshimi Hakamata +6 more |
2000-11-07 |
| 6114647 |
Bellows and vacuum switch using the bellows |
Ayumu Morita, Toshio Horikoshi, Yoshiharu Yotsumoto, Takanori Hashimoto |
2000-09-05 |
| 6107592 |
Vacuum switching apparatus |
Ayumu Morita, Makoto Yano |
2000-08-22 |
| 6048216 |
Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Yoshimi Hakamata +1 more |
2000-04-11 |
| 5892645 |
Protection system for power receiving station |
Yoshiyasu Watanabe, Kazuo Kano, Yasunobu Kanou, Toshio Horikoshi, Koji Kondou +2 more |
1999-04-06 |
| 5852266 |
Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Yoshimi Hakamata +1 more |
1998-12-22 |
| 5763848 |
Electrode for vacuum circuit breaker |
Yoshimi Hakamata, Masato Kobayashi, Hitoshi Okabe, Katsuhiro Komuro, Akira Wada |
1998-06-09 |
| 5697150 |
Method forming an electric contact in a vacuum circuit breaker |
Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Yoshimi Hakamata +1 more |
1997-12-16 |
| 5612523 |
Vacuum circuit-breaker and electrode assembly therefor and a manufacturing method thereof |
Yoshimi Hakamata, Akira Osaka, Katsuhiro Komuro |
1997-03-18 |
| 5594224 |
Vacuum circuit interrupter |
Yoshimi Hakamata, Masato Kobayashi, Akira Osaka, Katsuhiro Komuro |
1997-01-14 |