Tong Xu

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Langfang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Terminals and display screens
- Patent number 11,527,592
- Issue date Dec 13, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Qi Shan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display screens and electronic devices having electrovariable light...
- Patent number 11,217,643
- Issue date Jan 4, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Tong Xu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TERMINAL AND DISPLAY SCREEN
- Publication number 20210359053
- Publication date Nov 18, 2021
- YUNGU (GU'AN) TECHNOLOGY CO., LTD.
- Qi SHAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY SCREENS AND ELECTRONIC DEVICES
- Publication number 20200075697
- Publication date Mar 5, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Tong Xu
- H01 - BASIC ELECTRIC ELEMENTS