Inventor

SAKUYAMA TOSHIAKI

JP3 patents

Patents

3 patents

US10916394B2Feb 9, 2021

Gas circuit breaker

HITACHI LTD1 citations59

US10354821B2Jul 16, 2019

Gas circuit breaker

HITACHI LTD0 citations39

US10699863B2Jun 30, 2020

Gas circuit breaker

HITACHI LTD0 citations36