Ryo Sawai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystallized glass
- Patent number 9,416,048
- Issue date Aug 16, 2016
- Ohara Inc.
- Ryo Sawai
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
CRYSTALLIZED GLASS
- Publication number 20150119227
- Publication date Apr 30, 2015
- OHARA INC.
- Ryo Sawai
- C03 - GLASS MINERAL OR SLAG WOOL