Ruizhi ZHANG

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Taizhou City, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
High-refractive-index hydrogenated silicon film and methods for pre...
- Patent number 11,643,716
- Issue date May 9, 2023
- ZHEJIANG CRYSTAL-OPTECH CO., LTD.
- Ruizhi Zhang
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF HYDROGENATED COMPOSITE FILM AND OPTICAL FILTER
- Publication number 20230178347
- Publication date Jun 8, 2023
- ZHEJIANG CRYSTAL-OPTECH CO., LTD.
- Yanzhi WANG
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
High-Refractive-Index Hydrogenated Silicon Film And Methods For Pre...
- Publication number 20190352222
- Publication date Nov 21, 2019
- ZHEJIANG CRYSTAL-OPTECH CO., LTD.
- Ruizhi ZHANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...