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Akira Uematsu
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Content delivery system
Patent number
7,567,800
Issue date
Jul 28, 2009
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for resolving duplication of terminal identifiers in a wirel...
Patent number
7,075,897
Issue date
Jul 11, 2006
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple access communication system
Patent number
6,778,508
Issue date
Aug 17, 2004
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication Charge Calculation System for Mobile Telephone Commun...
Publication number
20070232262
Publication date
Oct 4, 2007
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Location information notifying system and method, terminal location...
Publication number
20070077939
Publication date
Apr 5, 2007
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Content delivery system
Publication number
20030092427
Publication date
May 15, 2003
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data communication system and data communication terminal as well a...
Publication number
20030028810
Publication date
Feb 6, 2003
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication system
Publication number
20020075836
Publication date
Jun 20, 2002
NEC Corporation
Akira Uematsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE