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Keiji Fukui
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Home subscriber server configuration method and system
Patent number
8,041,349
Issue date
Oct 18, 2011
NEC Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selection system, its selection method for voice channels, and swit...
Patent number
7,327,712
Issue date
Feb 5, 2008
NEC Infrontia Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
BASE STATION APPARATUS, CORE NETWORK APPARATUS, METHOD FOR CONTROLL...
Publication number
20240080873
Publication date
Mar 7, 2024
NEC Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION CONTROL APPARATUS, AND COMMUNIC...
Publication number
20240040529
Publication date
Feb 1, 2024
NEC Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK APPARATUS, BASE STATION, COMMUNICATION METHOD, RADIO RESOUR...
Publication number
20180124786
Publication date
May 3, 2018
NEC Corporation
Keiji FUKUI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, NETWORK DEVICE, BASE STATION, MOBILE STATION,...
Publication number
20180049200
Publication date
Feb 15, 2018
NEC Corporation
Naoaki SUZUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION TERMINAL, COMMUNICATION CONTROL APPARATUS, COM...
Publication number
20180041909
Publication date
Feb 8, 2018
NEC Corporation
Keiji FUKUI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOME SUBSCRIBER SERVER CONFIGURATION METHOD AND SYSTEM
Publication number
20080227451
Publication date
Sep 18, 2008
Keiji FUKUI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VoIP network, media proxy server, and method of providing additiona...
Publication number
20050281274
Publication date
Dec 22, 2005
NEC Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Selection system, its selection method for voice channels, and swit...
Publication number
20030002487
Publication date
Jan 2, 2003
NEC Corporation
Keiji Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE