Shigendo Nishi

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring distribution of zero dispersion wavelengths in...
- Patent number 5,724,126
- Issue date Mar 3, 1998
- Nippon Telegraph & Telephone Corporation
- Shigendo Nishi
- G01 - MEASURING TESTING
Information Patent Grant
Optical repeater and optical network using the same
- Patent number 5,083,874
- Issue date Jan 28, 1992
- Nippon Telegraph & Telephone Corporation
- Kazuo Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching equipment and optical network using the same
- Patent number 5,005,937
- Issue date Apr 9, 1991
- Nippon Telegraph & Telephone Corporation
- Kazuo Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE