Tomiharu Hamaguchi

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Minato-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication system and apparatus for providing supplementary serv...
- Patent number 9,609,494
- Issue date Mar 28, 2017
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for checking for unauthorized use of a terminal
- Patent number 9,191,387
- Issue date Nov 17, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Femtocell base station, gateway system, MAP-GW apparatus, communica...
- Patent number 9,088,880
- Issue date Jul 21, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM AND APPARATUS FOR PROVIDING SUPPLEMENTARY SERV...
- Publication number 20150201315
- Publication date Jul 16, 2015
- NEC Corporation
- Osamu KUROKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20120258686
- Publication date Oct 11, 2012
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEMTOCELL BASE STATION, GATEWAY SYSTEM, MAP-GW APPARATUS, COMMUNICA...
- Publication number 20120258743
- Publication date Oct 11, 2012
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE