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Hidehiro Akiyama
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Fujisawa, JP
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last 30 patents
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Patent Grant
Connection control system, connection control equipment and connect...
Patent number
7,694,015
Issue date
Apr 6, 2010
Hitachi, Ltd.
Hideya Yoshiuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
Connection control system, connection control equipment and connect...
Publication number
20050144289
Publication date
Jun 30, 2005
Hitachi, Ltd.
Hideya Yoshiuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE