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Yasunori Saigusa
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Yokohama, JP
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last 30 patents
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Patent Grant
Information service communication network system and session manage...
Patent number
8,271,667
Issue date
Sep 18, 2012
Hitachi, Ltd.
Kazuyoshi Hoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
RING NETWORK SYSTEM AND COMMUNICATION PATH CONTROL METHOD
Publication number
20110075573
Publication date
Mar 31, 2011
Hitachi, Ltd.
Yasunori Saigusa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Information service communication network system and session manage...
Publication number
20050220039
Publication date
Oct 6, 2005
Kazuyoshi Hoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE