Inventor
URIU SHIRO
JP32 patents
Patents
32 patentsUS5504742AApr 2, 1996
Broadband ISDN remote multiplexer
FUJITSU LTD123 citations98
US6333932B1Dec 25, 2001
Connectionless communications system, its test method, and intra-station control system
FUJITSU LTD143 citations97
US5675587AOct 7, 1997
Preset virtual path determining method and device in ATM exchange system
FUJITSU LTD90 citations96
US5555265ASep 10, 1996
Switching path setting system used in switching equipment for exchanging a fixed length cell
FUJITSU LTD97 citations96
US5487063AJan 23, 1996
Point-to-multipoint connection system
FUJITSU LTD56 citations96
US5408461AApr 18, 1995
Path route test apparatus for use in an ATM transmission system
FUJITSU LTD74 citations96
US5301184AApr 5, 1994
Control system for switching duplicated switch units in ATM exchange
FUJITSU LTD86 citations96
US5555243ASep 10, 1996
Self routing exchange and exchange system
FUJITSU LTD88 citations94
US5875177AFeb 23, 1999
Path test system for ATM switch
FUJITSU LTD56 citations92
US5726987AMar 10, 1998
Congestion-monitor control apparatus and switching system
FUJITSU LTD35 citations92
US5561662AOct 1, 1996
Subscriber information processing method in a connectionless data service
FUJITSU LTD31 citations92
US5345451ASep 6, 1994
Cyclic redundancy check operating method and a head error checker synchronizing unit in an asynchronous transfer mode switching process
FUJITSU LTD41 citations92
US5295134AMar 15, 1994
In-service activator for a broadband exchanger
FUJITSU LTD50 citations92
US7551612B2Jun 23, 2009
Intra-station control system for connectionless communications system
FUJITSU LTD30 citations91
US5878063AMar 2, 1999
Method of detecting cell loss and exchange provided with cell loss detecting function
FUJITSU LTD19 citations89
US7822888B2Oct 26, 2010
Data buffer control which controls selection of path and operation of data buffer, based on stored configuration information
FUJITSU LTD10 citations83
US7774580B2Aug 10, 2010
Array processor having reconfigurable data transfer capabilities
FUJITSU LTD9 citations83
US6947413B2Sep 20, 2005
Switching apparatus, communication apparatus, and communication system
FUJITSU LTD13 citations83
US5958069ASep 28, 1999
Apparatus for preventing malfunction at time of duplex unit failure
FUJITSU LTD19 citations81
US6078585AJun 20, 2000
Multistage connection switch and extension method
FUJITSU LTD14 citations74
US5602826AFeb 11, 1997
Test system in an ATM system
FUJITSU LTD14 citations74
US5448720ASep 5, 1995
Information processing system for obtaining status data of a simplex system by a standby system of a duplex system
FUJITSU LTD17 citations74
US7194610B2Mar 20, 2007
Processor and pipeline reconfiguration control method
FUJITSU LTD8 citations73
US5691977ANov 25, 1997
Virtual channel converter and VCC table access method
FUJITSU LTD7 citations73
US5636222AJun 3, 1997
Broadcast method and system with cell tag information for multiple self-routing
FUJITSU LTD3 citations63
US5524000AJun 4, 1996
Terminal unit and a terminal unit connecting method in ATM switching system
FUJITSU LTD6 citations63
US7227861B2Jun 5, 2007
Packet switch device
FUJITSU LTD4 citations62
US6510165B1Jan 21, 2003
Band controlling apparatus
FUJITSU LTD4 citations62
US6430157B1Aug 6, 2002
Communication controlling apparatus
FUJITSU LTD3 citations61
US7453800B2Nov 18, 2008
Communications apparatus and congestion control method
FUJITSU LTD4 citations60
US6789176B2Sep 7, 2004
Address release method, and common buffering device for ATM switching system which employs the same method
FUJITSU LTD4 citations56
US6343102B1Jan 29, 2002
In-station control system and method
FUJITSU LTD1 citations51