Inventor
HOSOKAWA MASAO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HOSOKAWA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI IND EQUIPMENT SYS
3 patentsHITACHI LTD
3 patentsUS4562322ADec 31, 1985
SF6 Gas arc extinguishing electric apparatus and process for producing the same
HITACHI LTD30 citations91
US4009458AFeb 22, 1977
Puffer type gas circuit breaker
HITACHI LTD50 citations90
US4549132AOct 22, 1985
Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current
HITACHI LTD19 citations73