Inventor
TOMITA SIGEO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TOMITA SIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS4740723AApr 26, 1988
Semiconductor switch
HITACHI LTD7 citations71
US4884126ANov 28, 1989
Semiconductor device having parallel-connected, self turn-off type semiconductor elements
HITACHI LTD11 citations69
US4831288AMay 16, 1989
Direct parallel connection circuit of self-turn-off semiconductor elements
HITACHI LTD7 citations69
US4833587AMay 23, 1989
Semiconductor switching circuit
HITACHI LTD4 citations60