Inventor
ONUKI KEN
JP6 patents
Patents
6 patentsUS4704714ANov 3, 1987
Method of detecting recovery from fault in a data transmission system which effects loopback control
HITACHI LTD27 citations92
US5706422AJan 6, 1998
Method of locating fault of communication system
HITACHI LTD12 citations72
US4855993AAug 8, 1989
Method and apparatus for detecting a fault in a ring network data transmission system
HITACHI LTD12 citations72
US5748893AMay 5, 1998
Network interface apparatus
HITACHI LTD10 citations71
US5497374AMar 5, 1996
Data transmission method and system thereof
HITACHI LTD14 citations71
US5426638AJun 20, 1995
Transmission method and system thereof
HITACHI LTD14 citations71