Inventor
SUZUKI TAIHEI
JP19 patents
Patents
19 patentsUS5740156AApr 14, 1998
Packet switching system having self-routing switches
HITACHI LTD37 citations92
US5247518ASep 21, 1993
High-speed ring lan system
HITACHI LTD49 citations92
US5111323AMay 5, 1992
Optical switching system
HITACHI LTD50 citations92
US5103447AApr 7, 1992
High-speed ring LAN system
HITACHI LTD49 citations92
US4543652ASep 24, 1985
Time-division switching unit
HITACHI LTD31 citations92
US5333131AJul 26, 1994
Packet switching method and system with self-routing switch
HITACHI LTD50 citations90
US5327568AJul 5, 1994
Apparatus for supporting graphic data driven program development and for displaying instruction execution results superimposed on the graphic program
HITACHI LTD48 citations89
US4455645AJun 19, 1984
Back-up control system implemented with a redundancy scheme for protection against failure
HITACHI LTD52 citations89
US4453210AJun 5, 1984
Multiprocessor information processing system having fault detection function based on periodic supervision of updated fault supervising codes
HITACHI LTD43 citations89
US4633460ADec 30, 1986
Time division switching system
HITACHI LTD21 citations82
US6618372B1Sep 9, 2003
Packet switching system having-having self-routing switches
HITACHI LTD7 citations74
US6314096B1Nov 6, 2001
Packet switching system having self-routing switches
HITACHI LTD11 citations74
US5999537ADec 7, 1999
Packet switching system having self-routing switches
HITACHI LTD5 citations74
US4901274AFeb 13, 1990
Method and system for data driven information processing
HITACHI LTD11 citations72
US5129046AJul 7, 1992
Method for automatically converting a data flow description of a source program directly into a function design chart
HITACHI LTD13 citations69
US6005867ADec 21, 1999
Time-division channel arrangement
HITACHI LTD3 citations63
US5185873AFeb 9, 1993
Control system with flag indicating two or less data inputs and counter indicating two or more controlling data driven execution method
HITACHI LTD3 citations61
US4663759AMay 5, 1987
Ring back tone transmission system
HITACHI LTD3 citations61
US7058062B2Jun 6, 2006
Packet switching system having self-routing switches
HITACHI LTD1 citations52