Inventor
HASHIMOTO TOYOKAZU
JP4 patents
Patents
4 patentsUS4435704AMar 6, 1984
Loop transmission system
HITACHI LTD29 citations91
US4506357AMar 19, 1985
Method and apparatus for switching loop type transmission lines
HITACHI LTD30 citations89
US4558428ADec 10, 1985
Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station
HITACHI LTD22 citations80
US4495595AJan 22, 1985
Method and system of loop transmission
HITACHI LTD8 citations70