Yuka Miyashita

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Kamiinagun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing glass optical elements
- Patent number 6,823,694
- Issue date Nov 30, 2004
- Hoya Corporation
- Hiroyuki Sawada
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing glass optical elements
- Publication number 20020059812
- Publication date May 23, 2002
- HOYA CORPORATION
- Hiroyuki Sawada
- C03 - GLASS MINERAL OR SLAG WOOL