Katsumi Sakai

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi point wireless transmission repeater system and wireless equi...
- Patent number 7,139,527
- Issue date Nov 21, 2006
- Hitachi, Ltd.
- Tsuyoshi Tamaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Multi point wireless transmission repeater system and wireless equi...
- Publication number 20030124976
- Publication date Jul 3, 2003
- Tsuyoshi Tamaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE