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Akio KOGA
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Fukuoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Call control device, call control method, and call control system
Patent number
9,705,903
Issue date
Jul 11, 2017
Fujitsu Limited
Ryouji Nakamatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephony system, connection control method, connection control dev...
Patent number
8,832,307
Issue date
Sep 9, 2014
Fujitsu Limited
Tomoyuki Furutono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and session establishment method
Patent number
7,882,214
Issue date
Feb 1, 2011
Fujitsu Limited
Naohiro Ozaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
CALL CONTROL DEVICE, CALL CONTROL METHOD, AND CALL CONTROL SYSTEM
Publication number
20160248789
Publication date
Aug 25, 2016
Fujitsu Limited
Ryouji NAKAMATSU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TELEPHONY SYSTEM, CONNECTION CONTROL METHOD, CONNECTION CONTROL DEV...
Publication number
20080043989
Publication date
Feb 21, 2008
FUJITSU LIMITED
Tomoyuki FURUTONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication system and session establishment method
Publication number
20060294242
Publication date
Dec 28, 2006
FUJITSU LIMITED
Naohiro Ozaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE