Yuzo Kawahara

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication system provided with control apparatus between local...
- Patent number 6,975,635
- Issue date Dec 13, 2005
- Matsushita Electric Works, Ltd.
- Hiroaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication system provided with control apparatus between local...
- Publication number 20020018478
- Publication date Feb 14, 2002
- Matsushita Electric Works, Ltd.
- Hiroaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE