SN

Shigeki Nishizumi

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #1,650,482 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5457294 UHV breaker provided with resistances Norimitsu Kato, Hiroshi Sato, Hiroaki Toda, Hisatoshi Ikeda 1995-10-10
5424504 Resistor-provided UHV breaker having delaying/operating mechanism for making and breaking main contacts and resistor contacts Tsutomu Tanaka 1995-06-13
5401923 Resistor-provided UHV breaker Norimitsu Kato, Hiroshi Sato, Hiroaki Toda, Hisatoshi Ikeda 1995-03-28