Inventor
TAMAGAWA TOHORU
7 patents
⚠️ This page may combine multiple inventors who share the name “TAMAGAWA TOHORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
5 patentsUS4434332AFeb 28, 1984
Hybrid-type interrupting apparatus
TOKYO SHIBAURA ELECTRIC CO60 citations95
US4110806AAug 29, 1978
Circuit interrupting apparatus for use in direct current circuits
TOKYO SHIBAURA ELECTRIC CO37 citations91
US4442469AApr 10, 1984
DC Circuit breaker apparatus
TOKYO SHIBAURA ELECTRIC CO25 citations80
US4458121AJul 3, 1984
DC Circuit breaker
TOKYO SHIBAURA ELECTRIC CO9 citations72
US4246458AJan 20, 1981
Vacuum interrupter
TOKYO SHIBAURA ELECTRIC CO9 citations70