Yanxin JI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-powered wireless keyboard
- Patent number 11,942,791
- Issue date Mar 26, 2024
- BEIJING INSTITUTE OF TECHNOLOGY
- Fang Deng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MASK PLATE, DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE
- Publication number 20250227998
- Publication date Jul 10, 2025
- BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
- Jinchao Bai
Information Patent Application
DISPLAY PANEL, ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING ARRAY S...
- Publication number 20250204047
- Publication date Jun 19, 2025
- BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
- Jinchao BAI
- G02 - OPTICS
Information Patent Application
DISPLAY PANEL, ARRAY SUBSTRATE AND METHOD FOR PREPARING SAME
- Publication number 20240258337
- Publication date Aug 1, 2024
- BEIJING BOE TECHNOLOGY GROUP CO., LTD.
- Jinchao BAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SELF-POWERED WIRELESS KEYBOARD
- Publication number 20220115906
- Publication date Apr 14, 2022
- Beijing Institute of Technology
- Fang DENG
- G06 - COMPUTING CALCULATING COUNTING