KT

Kenji Tsuchiya

HI Hitachi: 53 patents #249 of 28,497Top 1%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
HC Hitachi Industrial Equipment Systems Co.: 3 patents #164 of 550Top 30%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TK Tokyo Keiki: 2 patents #33 of 166Top 20%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
NC Nok Klueber Co.: 1 patents #19 of 43Top 45%
TC Tachi-S Co.: 1 patents #194 of 398Top 50%
TC Toshiba Battery Co.: 1 patents #88 of 145Top 65%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
NC Nikkei Techno-Research Co.: 1 patents #5 of 14Top 40%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
MC Max Co.: 1 patents #201 of 321Top 65%
ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
Overall (All Time): #22,157 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
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