Junchao LIU

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Shenzhen, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Eye exercising device and method
- Patent number 12,263,135
- Issue date Apr 1, 2025
- Wei Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
VISUAL ACUITY TEST METHOD AND DEVICE
- Publication number 20220354361
- Publication date Nov 10, 2022
- Shenzhen Shiying Technology Co., Ltd
- Wei LIU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
EYE EXERCISING DEVICE AND METHOD
- Publication number 20210212881
- Publication date Jul 15, 2021
- Wei LIU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE