Shigeru Yamazaki

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
1.times.N communication system for private branch exchange
- Patent number 5,884,162
- Issue date Mar 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Shigeru Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE