Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983023 | Earthing equipment for switchgear | Kenichi Shoda, Takuya Kurogi, Takumi Ishikawa, Naoki Nakatsugawa | 2011-07-19 |
| 7902479 | Vacuum switchgear | Makoto Yano, Ayumu Morita, Takashi Sato, Masato Kobayashi, Tomoaki Utsumi | 2011-03-08 |
| 7902480 | Vacuum insulated switchgear | Masato Kobayashi, Ayumu Morita | 2011-03-08 |
| 7897890 | Vacuum insulated switchgear | Shuichi Kikukawa, Yuko Kajiyama | 2011-03-01 |
| 7813109 | Switchgear | Shuichi Kikukawa, Yuko Kajiyama | 2010-10-12 |
| 7795844 | Power supply system, vehicle with the same and temperature managing method | Shinji Ichikawa, Tetsuhiro Ishikawa, Tsuyoshi Yano, Masanobu Komae | 2010-09-14 |
| 7790998 | Vacuum insulated switchgear | Masato Kobayashi, Ayumu Morita | 2010-09-07 |
| 7704449 | Electrode, electrical contact and method of manufacturing the same | Shigeru Kikuchi, Masato Kobayashi, Noboru Baba | 2010-04-27 |
| 7679022 | Vacuum insulated switchgear | Shuichi Kikukawa | 2010-03-16 |
| 7518851 | Distribution switchgear | Yoshinori Nishizawa, Yuko Kajiyama | 2009-04-14 |
| 7457105 | Vacuum switchgear system and kit for system | Shuuichi Kikukawa, Satoru Kajiwara, Masato Kobayashi, Yoshiki Sakamoto | 2008-11-25 |
| 7425687 | Vacuum insulated switchgear | Ayumu Morita, Takuya Kurogi, Masato Kobayashi | 2008-09-16 |
| 7244903 | Vacuum switchgear | Tomoaki Utsumi, Kazuhiro Satou, Takashi Shirone, Masato Kobayashi | 2007-07-17 |
| 7230304 | Electric contacts and method of manufacturing thereof, and vacuum interrupter and vacuum circuit breaker using thereof | Shigeru Kikuchi, Masato Kobayashi, Noboru Baba, Takashi Sato | 2007-06-12 |
| 7223932 | Vacuum Switchgear | Masato Kobayashi, Satoru Kajiwara, Daisuke Sugai, Hironori Tonosaki | 2007-05-29 |
| 7135652 | Vacuum switchgear | Masato Kobayashi, Satoru Kajiwara, Daisuke Sugai, Hironori Tonosaki | 2006-11-14 |
| 6884940 | Vacuum switchgear | Tomoaki Utsumi, Kazuhiro Satou, Takashi Shirone, Masato Kobayashi | 2005-04-26 |
| 6830393 | Printing method, printing device and time recorder | Kozo Iwaki | 2004-12-14 |
| 6759616 | Gas insulated switchgear | Toshiaki Rokunohe, Fumihiro Endo, Toyokazu Tanaka | 2004-07-06 |
| 6680453 | Gas insulated switchgear | Toshiaki Rokunohe, Fumihiro Endo, Toyokazu Tanaka | 2004-01-20 |
| 6614648 | Bus line conductor container and gas insulated switchgear device using the same | Yuuichirou Yamane, Youichirou Taniguchi | 2003-09-02 |
| 5837955 | Gas circuit breaker | Tomoaki Utsumi, Jun Nukaga, Youichi Ohshita, Goro Daimon, Hiroshi Yoshimoto | 1998-11-17 |
| 5814781 | Puffer type gas circuit breaker | Osamu Koyanagi, Kastuichi Kashimura, Yoshihito Asai, Yukio Kurosawa, Goro Daimon +2 more | 1998-09-29 |
| 5800015 | Long slide rail device for vehicle seat | Tamotsu Shirai, Akira Nemoto | 1998-09-01 |
| 5793597 | Puffer type gas breaker | Eisaku Mizufune, Yukio Kurosawa, Katsuichi Kashimura, Osamu Koyanagi, Yoshihito Asai +5 more | 1998-08-11 |