Masafumi Tanaka

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data terminal, data distribution system, and internet telephone system
- Patent number 7,444,391
- Issue date Oct 28, 2008
- Matsushita Electric Industrial Co., Ltd.
- Tomiya Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data terminal, data distribution system, and internet telephone system
- Patent number 6,769,020
- Issue date Jul 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tomiya Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Data terminal, data distribution system, and internet telephone system
- Publication number 20040208170
- Publication date Oct 21, 2004
- Tomiya Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Terminal, data distribution system, and internet telephone system
- Publication number 20010023428
- Publication date Sep 20, 2001
- Tomiya Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE