SI

Shoichi Irokawa

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #1,630,293 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6125045 Power converter having first and second power conversion units with thyristors Hiroyuki Nishikawa, Kihei Nakajima, Hiroshi Uchino 2000-09-26
5946205 Power conversion system with series connected self-commutated converters Noriko Kawakami, Hirokazu Suzuki, Kenichi Suzuki 1999-08-31
4419591 Multiterminal DC power transmission system Koji Imai, Takeichi Sakurai, Kiyoshi Goto 1983-12-06