Tetsuo Miya

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making single-polorization, single mode optical fibers
- Patent number 4,838,916
- Issue date Jun 13, 1989
- Nippon Telegraph & Telephone Public Corporation
- Takao Edahiro
- G02 - OPTICS
Information Patent Grant
Single mode optical fibers
- Patent number 4,525,027
- Issue date Jun 25, 1985
- Nippon Telegraph and Telephone Public Corp.
- Katsunari Okamoto
- G02 - OPTICS
Information Patent Grant
Single mode optical fibers
- Patent number 4,372,647
- Issue date Feb 8, 1983
- Nippon Telegraph & Telephone Public Corporation
- Katsunari Okamoto
- G02 - OPTICS