Toyotaka Manabe

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass for infrared ray-transmitting optical fibers and optical fibe...
- Patent number 4,380,588
- Issue date Apr 19, 1983
- Nippon Telegraph & Telephone Public Corporation
- Seiko Mitachi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass for optical fiber
- Patent number 4,346,176
- Issue date Aug 24, 1982
- Nippon Telegraph and Telephone Public Corp.
- Terutoshi Kanamori
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing glass fibers from an infrared ray-transmit...
- Patent number 4,343,638
- Issue date Aug 10, 1982
- Nippon Telegraph & Telephone Public Corporation
- Seiko Mitachi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass for optical fibers
- Patent number 4,308,066
- Issue date Dec 29, 1981
- Nippon Telegraph & Telephone Public Corporation
- Seiko Mitachi
- C03 - GLASS MINERAL OR SLAG WOOL