Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902480 | Vacuum insulated switchgear | Kenji Tsuchiya, Masato Kobayashi | 2011-03-08 |
| 7902479 | Vacuum switchgear | Kenji Tsuchiya, Makoto Yano, Takashi Sato, Masato Kobayashi, Tomoaki Utsumi | 2011-03-08 |
| 7790998 | Vacuum insulated switchgear | Kenji Tsuchiya, Masato Kobayashi | 2010-09-07 |
| 7683286 | Switchgear | Takashi Sato, Masato Kobayashi, Satoru Kajiwara | 2010-03-23 |
| 7679023 | Switchgear | Takashi Sato, Masato Kobayashi, Satoru Kajiwara | 2010-03-16 |
| 7662208 | Electrical contacts for vacuum circuit breakers and methods of manufacturing the same | Shigeru Kikuchi, Masato Kobayashi, Satoru Kajiwara, Noboru Baba | 2010-02-16 |
| 7425687 | Vacuum insulated switchgear | Kenji Tsuchiya, Takuya Kurogi, Masato Kobayashi | 2008-09-16 |
| 7075398 | Electromagnet and actuating mechanism for switch device, using thereof | Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata, Takashi Kadowaki | 2006-07-11 |
| 6940376 | Electromagnet and actuating mechanism for switch device, using thereof | Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata, Takashi Kadowaki | 2005-09-06 |
| 6816048 | Electromagnet and actuating mechanism for switch device, using thereof | Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata, Takashi Kadowaki | 2004-11-09 |
| 6529009 | Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof | Shuuichi Kikukawa, Katsunori Kojima, Tooru Tanimizu, Masashige Tsuji | 2003-03-04 |
| 6498314 | Vacuum switch and vacuum switchgear using the same | Takuya Miyo, Toru Tanimizu, Syuuichi Kikukawa, Katunori Kojima, Hiroshi Yokoyama +2 more | 2002-12-24 |
| 6495786 | Vacuum exhaust element of vacuum switch | Masashige Tsuji, Toru Tanimizu, Katsunori Kojima, Yuichi Ishikawa, Yoshiharu Yotsumoto | 2002-12-17 |
| 6426627 | Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof | Shuuichi Kikukawa, Katsunori Kojima, Tooru Tanimizu, Masashige Tsuji | 2002-07-30 |
| 6268579 | Vacuum switchgear | Satoru Kajiwara, Toru Tanimizu, Yoshiyasu Watanabe, Yozo Shibata | 2001-07-31 |
| 6259051 | Vacuum switch and a vacuum switchgear using the same | Toru Tanimizu, Masato Kobayashi, Shuichi Kikukawa, Minoru Suzuki, Yoshimi Hakamata +6 more | 2001-07-10 |
| 6153846 | Vacuum insulated switching apparatus | Kenichi Natsui, Toru Tanimizu | 2000-11-28 |
| 6144005 | Vacuum switch and a vacuum switchgear using the same | Toru Tanimizu, Masato Kobayashi, Shuichi Kikukawa, Minoru Suzuki, Yoshimi Hakamata +6 more | 2000-11-07 |
| 6114647 | Bellows and vacuum switch using the bellows | Toru Tanimizu, Toshio Horikoshi, Yoshiharu Yotsumoto, Takanori Hashimoto | 2000-09-05 |
| 6107592 | Vacuum switching apparatus | Makoto Yano, Toru Tanimizu | 2000-08-22 |
| 6005213 | Insulated type switchgear device | Takashi Sato, Youichi Ohshita, Tooru Tanimizu, Masayoshi Hayakawa, Toshio Horikoshi +1 more | 1999-12-21 |
| 5952636 | Vacuum type switch gear device having L shaped stationary and movable conductors arrangement | Takashi Sato, Youichi Ohshita, Tooru Tanimizu, Masayoshi Hayakawa, Toshio Horikoshi +1 more | 1999-09-14 |