Ken-ichi Yagisawa

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Line terminating equipment in SDH networks, using forward error cor...
- Patent number 5,574,717
- Issue date Nov 12, 1996
- Nippon Telegraph & Telephone Corporation
- Masahito Tomizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE