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Kazuhiko Nakada
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Tokyo, JP
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last 30 patents
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Patent Grant
System and method for indicating circuit switched access at IMS reg...
Patent number
8,989,178
Issue date
Mar 24, 2015
Telefonaktiebolaget L M Ericsson (Publ)
Kazuhiko Nakada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for indicating circuit switched access at IMS reg...
Patent number
8,340,084
Issue date
Dec 25, 2012
Telefonaktiebolaget LM Ericsson (publ)
Kazuhiko Nakada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR INDICATING CIRCUIT SWITCHED ACCESS AT IMS REG...
Publication number
20130077620
Publication date
Mar 28, 2013
TELEFONAKTIEBOLAGET L M ERICSSON (publ)
Kazuhiko Nakada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR ENHANCING IMS CENTRALIZED SERVICES
Publication number
20100254372
Publication date
Oct 7, 2010
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Access Domain Selection In A Communications Network
Publication number
20100182998
Publication date
Jul 22, 2010
Kazuhiko Nakada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR INDICATING CIRCUIT SWITCHED ACCESS AT IMS REG...
Publication number
20100157985
Publication date
Jun 24, 2010
Kazuhiko Nakada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Inter-Working Between a Packet-Switched Domain and a Circuit-Switch...
Publication number
20100118861
Publication date
May 13, 2010
Andreas Witzel
H04 - ELECTRIC COMMUNICATION TECHNIQUE