Inventor
SANO YOSHIHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SANO YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS4161651AJul 17, 1979
Simultaneously sampled remote data reading and transmission system using optical fibers
HITACHI LTD44 citations90
US3984737AOct 5, 1976
Protective relaying system
HITACHI LTD43 citations89
US4772978ASep 20, 1988
Transformer protection system
HITACHI LTD21 citations78
US4620257AOct 28, 1986
Carrier relay system
HITACHI LTD20 citations77
US5170308ADec 8, 1992
Method and system of transformer protection and method and system of detecting a defective winding
HITACHI LTD17 citations71
US4032913AJun 28, 1977
Coding equipment providing compressed code
HITACHI LTD5 citations58