TY

Toshifumi Yoshikawa

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HC Hitachi Mito Engineering Co.: 4 patents #1 of 26Top 4%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #580,546 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7888893 Control apparatus and method for linear synchronous motor Hirokazu Nagura, Hiromi Inaba, Hironori Ohashi, Yuri Takano, Masaki Sugiura 2011-02-15
7740111 Elevator group supervisory control system with route preparation section Satoru Toriyabe, Takamichi Hoshino, Atsuya Fujino, Shunichi Tanae, Hiromi Inaba +3 more 2010-06-22
7730999 Elevator group supervisory control system using target route preparation Satoru Toriyabe, Takamichi Hoshino, Atsuya Fujino, Shunichi Tanae, Hiromi Inaba +3 more 2010-06-08
7562746 Method, system, and display for elevator allocation using multi-dimensional coordinates Satoru Toriyabe, Takamichi Hoshino, Shunichi Tanae, Atsuya Fujino, Ryou Okabe +2 more 2009-07-21
7545053 Power supply and power supply method upon interruption of electric service Yasuo Satou 2009-06-09
7426982 Elevator group supervisory control system Satoru Toriyabe, Takamichi Hoshino, Atsuya Fujino, Shunichi Tanae, Hiromi Inaba +3 more 2008-09-23
6949809 Light receiving element, light detector with built-in circuitry and optical pickup Takahiro Takimoto, Isamu Ohkubo, Masaru Kubo, Hiroki Nakamura, Toshihiko Fukushima 2005-09-27
6492790 Driving system for driving AC motor Naoto Ohnuma, Toshisuke Mine, Takao Kishikawa, Sadao Hokari 2002-12-10
5760492 Control system for power transmission and distribution system Minoru Kanoi, Yuzuru Imamura, Saburo Yasukawa, Masahiko Amano, Shinji Tanifuji +1 more 1998-06-02