Inventor
YAGINUMA NORIYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “YAGINUMA NORIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5850065ADec 15, 1998
Gas circuit breaker
HITACHI LTD24 citations92
US5567924AOct 22, 1996
Circuit breaker with parallel resistor
HITACHI LTD25 citations92
US9058947B2Jun 16, 2015
Puffer-type gas circuit-breaker
HITACHI LTD7 citations83
US9543095B2Jan 10, 2017
Gas circuit breaker
HITACHI LTD2 citations72
US5777842AJul 7, 1998
Transformer station and breaker apparatus
HITACHI LTD11 citations72
US9620315B2Apr 11, 2017
Gas circuit breaker
HITACHI LTD2 citations71
US10157719B2Dec 18, 2018
Gas circuit breaker
HITACHI LTD1 citations50
US10049839B2Aug 14, 2018
Gas circuit breaker
HITACHI LTD0 citations49
US9704679B2Jul 11, 2017
Gas circuit breaker
HITACHI LTD1 citations46
US9892875B2Feb 13, 2018
Gas circuit breaker
HITACHI LTD0 citations41