YT

Yukio Tokiwa

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #1,655,611 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5349522 Method and apparatus for controlling the output voltage of an AC electrical system Hiroo Konishi, Hironari Kawazoe, Junzo Kawakami, Tomoharu Nakamura, Tatsuhito Nakajima 1994-09-20
5179510 Power converting apparatus capable of suppressing a fault current Fumitoshi Ichikawa, Tadayuki Kitahara, Fumio Aoyama 1993-01-12
5010467 Control apparatus of DC power coupling system Fumitoshi Ichikawa, Naomi Nakamura, Syunichi Hirose, Haruhisa Inokuchi 1991-04-23