Yushiharu Funakoshi

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-purity, opaque quartz glass, method for producing same and use...
- Patent number 5,585,173
- Issue date Dec 17, 1996
- Tosoh Corporation
- Kenji Kamo
- C03 - GLASS MINERAL OR SLAG WOOL