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Tsuguo Kato
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication device and method for internally redirecting control...
Patent number
8,542,631
Issue date
Sep 24, 2013
Fujitsu Limited
Kohei Iseda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network/service control method
Patent number
7,949,755
Issue date
May 24, 2011
Fujitsu Limited
Masafumi Katoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Routing control method, apparatus and system
Patent number
7,746,789
Issue date
Jun 29, 2010
Fujitsu Limited
Masafumi Katoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Input line interface device and packet communication device
Patent number
7,366,165
Issue date
Apr 29, 2008
Fujitsu Limited
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile packet communication system
Patent number
7,359,350
Issue date
Apr 15, 2008
Fujitsu Limited
Tsuguo Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Router and mobile communication terminal for mobile communication n...
Patent number
7,277,708
Issue date
Oct 2, 2007
Fujitsu Limited
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Short cell multiplexer
Patent number
7,277,430
Issue date
Oct 2, 2007
Fujitsu Limited
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile node adapted router and home agent router
Patent number
7,136,365
Issue date
Nov 14, 2006
Fujitsu Limited
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Node device
Patent number
7,113,509
Issue date
Sep 26, 2006
Fujitsu Limited
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switch
Patent number
7,058,751
Issue date
Jun 6, 2006
Fujitsu Limited
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scheduling control system and switch
Patent number
7,046,685
Issue date
May 16, 2006
Fujitsu Limited
Naoki Matsuoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switch that converts variable length packets to fixed length...
Patent number
7,016,366
Issue date
Mar 21, 2006
Fujitsu Limited
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet Switch
Patent number
6,963,577
Issue date
Nov 8, 2005
Fujitsu Limited
Hiroshi Tomonaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switch and switching method for processing communication data of a...
Patent number
6,781,993
Issue date
Aug 24, 2004
Fujitsu Limited
Ryuichi Takechi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile packet communication system
Patent number
6,646,999
Issue date
Nov 11, 2003
Fujitsu Limited
Tsuguo Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Short cell multiplexer
Patent number
6,470,014
Issue date
Oct 22, 2002
Fujitsu Limited
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Short-cell multiplexing device
Patent number
6,317,432
Issue date
Nov 13, 2001
Fujitsu Limited
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cell assembly and multiplexing device, and demultiplexing device
Patent number
6,021,135
Issue date
Feb 1, 2000
Fujitsu Limited
Tomohiro Ishihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information collection device and method for use with communication...
Patent number
6,005,844
Issue date
Dec 21, 1999
Fujitsu Limited
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information collection device and method for use with communication...
Patent number
5,790,525
Issue date
Aug 4, 1998
Fujitsu Limited
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase adjustment circuit
Patent number
5,051,990
Issue date
Sep 24, 1991
Fujitsu Limited
Tsuguo Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication Device And Method
Publication number
20090201859
Publication date
Aug 13, 2009
Kohei ISEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK/SERVICE CONTROL METHOD
Publication number
20070250628
Publication date
Oct 25, 2007
FUJITSU LIMITED
Masafumi Katoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Routing control method, apparatus and system
Publication number
20070195700
Publication date
Aug 23, 2007
FUJITSU LIMITED
Masafumi Katoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Address translation device
Publication number
20040141513
Publication date
Jul 22, 2004
Ryuichi Takechi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile packet communication system
Publication number
20040048615
Publication date
Mar 11, 2004
Tsuguo Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, router, mobile node, and mobile commun...
Publication number
20040004967
Publication date
Jan 8, 2004
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Router and mobile communication terminal for mobile communication n...
Publication number
20030144001
Publication date
Jul 31, 2003
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet transfer method for hierarchical packet network, hierarchica...
Publication number
20030026241
Publication date
Feb 6, 2003
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Short cell multiplexer
Publication number
20030002514
Publication date
Jan 2, 2003
Hideaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Input line interface device and packet communication device
Publication number
20020122424
Publication date
Sep 5, 2002
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet switch
Publication number
20020099900
Publication date
Jul 25, 2002
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile node adapted router and home agent router
Publication number
20020071417
Publication date
Jun 13, 2002
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Node device
Publication number
20010055306
Publication date
Dec 27, 2001
Keiichi Nakatsugawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet switch, scheduling device, drop control circuit, multicast c...
Publication number
20010033581
Publication date
Oct 25, 2001
Kenichi Kawarai
H04 - ELECTRIC COMMUNICATION TECHNIQUE