Natsuko Kagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Anonymous communication system
- Patent number 8,498,394
- Issue date Jul 30, 2013
- NEC Corporation
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ANONYMOUS COMMUNICATION METHOD
- Publication number 20120231767
- Publication date Sep 13, 2012
- NEC Corporation
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANONYMOUS COMMUNICATION SYSTEM
- Publication number 20110228920
- Publication date Sep 22, 2011
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING DEVICE, COMMUNICATION ADDRESS PROVIDING SYST...
- Publication number 20110219135
- Publication date Sep 8, 2011
- Takeaki Minamizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANONYMOUS COMMUNICATION SYSTEM
- Publication number 20110182211
- Publication date Jul 28, 2011
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANONYMOUS COMMUNICATION SYSTEM
- Publication number 20110182210
- Publication date Jul 28, 2011
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANONYMOUS COMMUNICATION SYSTEM
- Publication number 20110134806
- Publication date Jun 9, 2011
- Natsuko Kagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE