Inventor
IYOTANI RYUJI
JP5 patents
Patents
5 patentsUS6380796B2Apr 30, 2002
Semiconductor power converting apparatus
HITACHI LTD60 citations95
US5424937AJun 13, 1995
Gate drive power source for electric power converter
HITACHI LTD21 citations91
US6242968B1Jun 5, 2001
Semiconductor power converting apparatus
HITACHI LTD6 citations73
US4223236ASep 16, 1980
Gate controlling apparatus for a thyristor valve
HITACHI LTD7 citations72
US4100434AJul 11, 1978
Gate controlling apparatus for a thyristor valve
HITACHI LTD14 citations72