Inventor
ITAHANA HIROSHI
JP4 patents
Patents
4 patentsUS5638266AJun 10, 1997
Free wheel diode arrangement for neutral point clamped electric power conversion apparatus
HITACHI LTD52 citations89
US4694323ASep 15, 1987
Apparatus for vapor-cooling a semiconductor
HITACHI LTD27 citations88
US4492975AJan 8, 1985
Gate turn-off thyristor stack
HITACHI LTD22 citations77
US4864385ASep 5, 1989
Power semiconductors connected antiparallel via heatsinks
HITACHI LTD14 citations71