Shigekazu Takahashi

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Channel selection method for an ISDN line and an ISDN switching sys...
- Patent number 5,959,998
- Issue date Sep 28, 1999
- Fujitsu Limited
- Shigekazu Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE