Shiro Takahashi

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making fluoride glass using barium .beta.-diketones
- Patent number 5,145,508
- Issue date Sep 8, 1992
- Nippon Telegraph & Telephone Corporation
- Kazuo Fujiura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for the preparation of fluoride glass and process for the p...
- Patent number 5,071,460
- Issue date Dec 10, 1991
- Nippon Telegraph & Telephone Corporation
- Kazuo Fujiura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing multi-component glass fiber preform
- Patent number 4,388,098
- Issue date Jun 14, 1983
- Nippon Telegraph & Telephone Public Corporation
- Shiro Takahashi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing multi-component glass fiber preform
- Patent number 4,336,049
- Issue date Jun 22, 1982
- Nippon Telegraph & Telephone Public Corporation
- Shiro Takahashi
- C03 - GLASS MINERAL OR SLAG WOOL