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Nobuo Shirai
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Hino, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packet transfer method and apparatus
Patent number
7,856,021
Issue date
Dec 21, 2010
Fujitsu Limited
Tohru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for controlling route in network
Patent number
7,609,692
Issue date
Oct 27, 2009
Fujitsu Limited
Hiromitsu Kajiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet transfer apparatus
Patent number
7,110,397
Issue date
Sep 19, 2006
Fujitsu Limited
Keiko Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Looping detection apparatus
Patent number
6,463,037
Issue date
Oct 8, 2002
Fujitsu Limited
Akitsugu Ooyoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data exchange, data terminal accommodated in the same, data communi...
Patent number
5,912,877
Issue date
Jun 15, 1999
Fujitsu Limited
Nobuo Shirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame relay switching apparatus and router
Patent number
5,734,654
Issue date
Mar 31, 1998
Fujitsu Limited
Nobuo Shirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication system using a telephone switching network and...
Patent number
5,197,067
Issue date
Mar 23, 1993
Fujitsu Limited
Akio Fujimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modem having speed notifying means
Patent number
5,182,762
Issue date
Jan 26, 1993
Fujitsu Limited
Nobuo Shirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for controlling route in network
Publication number
20070217410
Publication date
Sep 20, 2007
FUJITSU LIMITED
Hiromitsu Kajiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet transfer method and apparatus
Publication number
20060146872
Publication date
Jul 6, 2006
Tohru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System, method, and device for facilitating multi-path cryptographi...
Publication number
20040158706
Publication date
Aug 12, 2004
Haruo Moritomo
H04 - ELECTRIC COMMUNICATION TECHNIQUE