Inventor

OUCHI SHIGETOSHI

JP4 patents

Patents

4 patents

US5452170ASep 19, 1995

Commutation type DC breaker

HITACHI LTD111 citations94

US5576580ANov 19, 1996

DC power supply circuit

HITACHI LTD23 citations89

US5402297AMar 28, 1995

Commutating type DC circuit breaker arrangement

HITACHI LTD39 citations89

US5115389AMay 19, 1992

Dc power supply circuit arrangement

HITACHI LTD6 citations54