Yuanyuan ZHAN

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Shenzhen, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Use of zwitterion dopant in preparation of dynamic-scattering-mode-...
- Patent number 11,505,745
- Issue date Nov 22, 2022
- Shenzhen Guohua Optoelectronics Co., Ltd.
- Guofu Zhou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
USE OF ZWITTERION DOPANT IN PREPARATION OF DYNAMIC-SCATTERING-MODE-...
- Publication number 20210355384
- Publication date Nov 18, 2021
- SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD.
- Guofu ZHOU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COLOR-CHANGING LIGHT-ADJUSTING LIQUID CRYSTAL DEVICE AND LIGHT ADJU...
- Publication number 20200133036
- Publication date Apr 30, 2020
- SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD.
- Guofu ZHOU
- G02 - OPTICS
Information Patent Application
LIGHT-ADJUSTING DEVICE AND LIGHT-ADJUSTING METHOD THEREOF
- Publication number 20190331946
- Publication date Oct 31, 2019
- SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD.
- Guofu ZHOU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS