Jin LI

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Langfang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Display screen and method of manufacturing thereof
- Patent number 11,296,301
- Issue date Apr 5, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Yao Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stretch display screen and display device
- Patent number 10,839,744
- Issue date Nov 17, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Jin Li
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY SCREEN AND METHOD OF MANUFACTURING THEREOF
- Publication number 20210367199
- Publication date Nov 25, 2021
- Yungu (Gu'an) Technology Co., Ltd.
- Yao LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STRETCH DISPLAY SCREEN AND DISPLAY DEVICE
- Publication number 20200193899
- Publication date Jun 18, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Jin LI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS