Inventor
SATOU YUKIMASA
JP5 patents
Patents
5 patentsUS5430311AJul 4, 1995
Constant-voltage diode for over-voltage protection
HITACHI LTD128 citations97
US5021855AJun 4, 1991
Gate turn-off thyristor
HITACHI LTD22 citations91
US5459338AOct 17, 1995
Gate turn-off thyristor and power convertor using the same
HITACHI LTD8 citations71
US5324967AJun 28, 1994
Turn off type semiconductor device, method of producing the same and the power conversion apparatus employing the same
HITACHI LTD11 citations70
US4825270AApr 25, 1989
Gate turn-off thyristor
HITACHI LTD4 citations60