TK

Takao Kishikawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hitachi Building Systems Co.: 2 patents #3 of 53Top 6%
📍 Hitachinaka, JP: #1,128 of 2,447 inventorsTop 50%
Overall (All Time): #1,606,311 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6795324 Power converter Kazuhisa Mori, Takashi Ikimi, Satoshi Fukuda, Tomoharu Sakoda 2004-09-21
6492790 Driving system for driving AC motor Toshifumi Yoshikawa, Naoto Ohnuma, Toshisuke Mine, Sadao Hokari 2002-12-10
6490187 Semiconductor electric power conversion device Kazuhisa Mori, Asako Koyanagi, Satoshi Fukuda, Toshisuke Mine, Tomoharu Sakoda 2002-12-03