Zhengxiang FEI

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Patents Grantslast 30 patents

Information Patent Grant
Blue-light-proof optical resin lens and preparation method thereof
- Patent number 10,385,187
- Issue date Aug 20, 2019
- JIANGSU CONANT OPTICS CO., LTD
- Zhengxiang Fei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
BLUE-LIGHT-PROOF OPTICAL RESIN LENS AND PREPARATION METHOD THEREOF
- Publication number 20180044505
- Publication date Feb 15, 2018
- JIANGSU CONANT OPTICS CO., LTD
- Zhengxiang FEI
- G02 - OPTICS