KK

Katsunori Kuboyama

FC Fuji Electric Co.: 24 patents #59 of 2,643Top 3%
FC Fuji Electric Fa Components & Systems Co.: 2 patents #41 of 113Top 40%
Overall (All Time): #156,237 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
7170020 Circuit breaker and terminal cover Hisao Kawata, Isamu Nagahiro 2007-01-30
6940374 Overload/open-phase tripping device for circuit breaker Isamu Nagahiro 2005-09-06
6897760 Circuit breaker Hisao Kawata, Isamu Ohshima, Yoshimi Jumonji, Tatsunori Takahashi 2005-05-24
6897748 Circuit breaker Hideto Yamagata, Koji Asakawa 2005-05-24
6819206 Circuit breaker Takeshi Emura, Koji Asakawa 2004-11-16
6800822 Circuit breaker Yoshinobu Hamada, Tatsunori Takahashi, Koji Asakawa 2004-10-05
6642820 Protective switch Takeshi Emura, Koji Asakawa, Hisao Kawata 2003-11-04
6621403 Overload tripping device for circuit breaker Isamu Nagahiro, Naoshi Uchida, Jun Oyama 2003-09-16
6606239 Circuit breaker Tatsunori Takahashi, Naoshi Uchida 2003-08-12
6600116 Switch mounting structure Hisao Kawata, Naoshi Uchida 2003-07-29
6577215 Instantaneous-tripping circuit breaker Koji Nomura, Koji Asakawa, Isamu Nagahiro, Takeshi Emura 2003-06-10
6566618 Circuit breaker Yoshinobu Hamada, Tatsunori Takahashi, Naoshi Uchida 2003-05-20
6548769 Circuit breaker Koji Nomura, Naoshi Uchida, Tatsunori Takahashi, Kentaro Toyama 2003-04-15
6512434 Circuit breaker with shift guide Naoshi Uchida, Isamu Nagahiro 2003-01-28
D468687 Manual motor starter Yoshinobu Hamada, Koji Asakawa, Tatsunori Takahashi, Yasutoshi Ide, Junichi Iwase +1 more 2003-01-14
6456176 Circuit breaker Takumi Fujihira, Naoshi Uchida, Koji Asakawa, Tatsunori Takahashi 2002-09-24
6392514 Terminal unit for multipolar switch Hisao Kawata, Naoshi Uchida, Mitsuyoshi Yamazaki 2002-05-21
6310528 Overcurrent-tripping device for circuit breaker Naoshi Uchida, Isamu Nagahiro 2001-10-30
6255608 Terminal structure of switch Hisao Kawata, Naoshi Uchida, Tatsunori Takahashi 2001-07-03
6229414 Make-and-break mechanism for circuit breaker Kentaro Toyama, Naoshi Uchida, Tatsunori Takahashi, Koji Nomura, Koji Asakawa +3 more 2001-05-08
6103986 Circuit breaker including bridging contact with magnetic structure Koji Asakawa, Takumi Fujihira, Naoshi Uchida, Tatsunori Takahashi, Kentaro Toyama 2000-08-15
5901025 Circuit breaker Tatsunori Takahashi, Takumi Fujihira, Naoshi Uchida, Hiroaki Tosaka, Kentaro Toyama +2 more 1999-05-04
5825602 Overcurrent trip device Hiroaki Tosaka, Koji Nomura, Tatsunori Takahashi, Fumiyuki Ikeda 1998-10-20
5589672 Circuit breaker with arc quenching device and vent Naoshi Uchida, Masao Miura, Jun Oyama, Koji Asakawa 1996-12-31
5566818 Movable contactor device in circuit breaker Naoshi Uchida 1996-10-22