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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Relay node in optical networks
Patent number
7,706,690
Issue date
Apr 27, 2010
Fujitsu Limited
Akira Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path calculation method and module
Patent number
7,657,180
Issue date
Feb 2, 2010
Fujitsu Limited
Keiji Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Path routing computation method and optical communication network a...
Patent number
7,653,308
Issue date
Jan 26, 2010
Fujitsu Limited
Keiji Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission device and label allocation method
Patent number
7,626,924
Issue date
Dec 1, 2009
Fujitsu Limited
Akira Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Relay node in optical networks
Publication number
20070230961
Publication date
Oct 4, 2007
FUJITSU LIMITED
Akira Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Path routing computation method and optical communication network a...
Publication number
20070212068
Publication date
Sep 13, 2007
FUJITSU LIMITED
Keiji Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication path calculation method and module
Publication number
20070212067
Publication date
Sep 13, 2007
FUJITSU LIMITED
Keiji Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission device and label allocation method
Publication number
20060221816
Publication date
Oct 5, 2006
FUJITSU LIMITED
Akira Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE