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Hisashi Nakagomi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Mobile communication terminal device and server device
Patent number
7,639,816
Issue date
Dec 29, 2009
NTT DoCoMo, Inc.
Hisashi Nakagomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication terminal capable of utilizing multiple radio communic...
Patent number
7,286,851
Issue date
Oct 23, 2007
NTT DoCoMo, Inc.
Hisashi Nakagomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal strength measurement method and device
Patent number
6,556,552
Issue date
Apr 29, 2003
NTT Communications Networks, Inc.
Hisashi Nakagomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication terminal capable of utilizing multiple radio communic...
Publication number
20040152488
Publication date
Aug 5, 2004
NTT DoCoMo, Inc.
Hisashi Nakagomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication terminal device and server device
Publication number
20020172365
Publication date
Nov 21, 2002
NTT DoCoMo, Inc.
Hisashi Nakagomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE