Inventor
YASUMOTO SEIICHI
15 patents
Patents
15 patentsUS6199404B1Mar 13, 2001
Manufacturing method for gas discharge type display panel
HITACHI LTD24 citations92
US4766590AAug 23, 1988
Loop transmission system having plural stations connected in a variable order
HITACHI LTD29 citations92
US4704714ANov 3, 1987
Method of detecting recovery from fault in a data transmission system which effects loopback control
HITACHI LTD27 citations92
US4530085AJul 16, 1985
Reconfiguration control method for a loop-type data network
HITACHI LTD44 citations92
US4401365AAug 30, 1983
Rotary type optical switch
HITACHI LTD43 citations89
US4752773AJun 21, 1988
Image display apparatus capable of selective and partial erasure of information
HITACHI LTD51 citations87
US4136384AJan 23, 1979
Loop type data highway system
HITACHI LTD23 citations81
US4432054AFeb 14, 1984
Loop data transmission control method and system
HITACHI LTD18 citations73
US4410985AOct 18, 1983
Data transmission system and method
HITACHI LTD18 citations73
US3944975AMar 16, 1976
Signal checking system
HITACHI LTD8 citations73
US5706422AJan 6, 1998
Method of locating fault of communication system
HITACHI LTD12 citations72
US5497374AMar 5, 1996
Data transmission method and system thereof
HITACHI LTD14 citations71
US5426638AJun 20, 1995
Transmission method and system thereof
HITACHI LTD14 citations71
US6417822B1Jul 9, 2002
Display device and driving method thereof
HITACHI LTD2 citations62
US4398288AAug 9, 1983
Loop type data highway system for data transmission
HITACHI LTD4 citations62