Inventor
TANABE SHIROU
JP13 patents
Patents
13 patentsUS5157660AOct 20, 1992
Communication system including portable terminals and fixed terminals
HITACHI LTD115 citations96
US5119369AJun 2, 1992
Packet switch communication network using packet having virtual channel identifier
HITACHI LTD115 citations96
US5740156AApr 14, 1998
Packet switching system having self-routing switches
HITACHI LTD37 citations92
US5214640AMay 25, 1993
High-speed packet switching system
HITACHI LTD28 citations92
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
US5164937ANov 17, 1992
Packet concentrator and packet switching system
HITACHI LTD15 citations74
US5461626AOct 24, 1995
Method and apparatus for multiplexing digital signal
HITACHI LTD11 citations73
US4901274AFeb 13, 1990
Method and system for data driven information processing
HITACHI LTD11 citations72
US6005867ADec 21, 1999
Time-division channel arrangement
HITACHI LTD3 citations63
US5703869ADec 30, 1997
Method and apparatus of multiplexing digital signal
HITACHI LTD5 citations62
US7058062B2Jun 6, 2006
Packet switching system having self-routing switches
HITACHI LTD1 citations52