Chunmin Xu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Venting component, catheter and syringe including the same
- Patent number 11,389,592
- Issue date Jul 19, 2022
- Hefei BOE Optoelectronics Technology Co., Ltd.
- Fei Xu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Display substrate, manufacturing method thereof and display device
- Patent number 11,233,095
- Issue date Jan 25, 2022
- Hefei BOE Optoelectronics Technology Co., Ltd.
- Lei Lv
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shift register unit, shift register circuitry and display device
- Patent number 10,916,166
- Issue date Feb 9, 2021
- BOE Technology Group Co., Ltd.
- Lei Lv
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
VENTING COMPONENT, CATHETER AND SYRINGE INCLUDING THE SAME
- Publication number 20210402098
- Publication date Dec 30, 2021
- HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Fei XU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE
- Publication number 20210151519
- Publication date May 20, 2021
- HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Lei Lv
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHIFT REGISTER UNIT, SHIFT REGISTER CIRCUITRY AND DISPLAY DEVICE
- Publication number 20190096308
- Publication date Mar 28, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Lei Lv
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS