Akira Oyobe

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Quartz glass doped with rare earth element and production thereof
- Patent number 5,262,365
- Issue date Nov 16, 1993
- The Furukawa Electric Co., Ltd.
- Akira Oyobe
- C03 - GLASS MINERAL OR SLAG WOOL