Shin-ya Okada

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing vitreous optical elements by injection molding...
- Patent number 5,904,746
- Issue date May 18, 1999
- Fuji Photo Optical Co., Ltd.
- Shin-ya Okada
- C03 - GLASS MINERAL OR SLAG WOOL