Inventor · disambiguated record
Shigeki Nishizumi
Also filed as: NISHIZUMI SHIGEKI
3 granted patents·1 pending application·15 citations·filing 1993–2002
62Inventor score
Files withTOSHIBA KK3
Top patents by PatentIndex Score
4 records- 0149US5424504AResistor-provided UHV breaker having delaying/operating mechanism for making and breaking main contacts and resistor contactsTOSHIBA KK·Filed 1993·Granted Jun 13, 1995·11 cites·6 claims
- 0234US5457294AUHV breaker provided with resistancesTOSHIBA KK·Filed 1993·Granted Oct 10, 1995·4 cites·12 claims
- 0327US5401923AResistor-provided UHV breakerTOSHIBA KK·Filed 1993·Granted Mar 28, 1995·0 cites·13 claims
- 0426US2002134757A1Vacuum circuit breakerFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shigeki Nishizumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →