Yi Zhen

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Patents Grantslast 30 patents

Information Patent Grant
Visual field testing method, system, and testing apparatus based on...
- Patent number 10,959,611
- Issue date Mar 30, 2021
- ZHUHAI WIIFINE MEDINFORMATION TECHNOLOGY CO., LTD.
- Yi Zhen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CORNEAL PATH ONE-WAY AQUEOUS HUMOR DRAINAGE DEVICE
- Publication number 20250152421
- Publication date May 15, 2025
- Beijing Tongren Hospital, Capital Medical University
- Ningli WANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RETINA DIGITAL IMAGING SYSTEM, INSTRUMENT AND METHOD
- Publication number 20200329962
- Publication date Oct 22, 2020
- SHENZHEN THONDAR TECHNOLOGY CO., LTD
- Ningli Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
VISUAL FIELD TESTING METHOD, SYSTEM, AND TESTING APPARATUS BASED ON...
- Publication number 20200214552
- Publication date Jul 9, 2020
- ZHUHAI WIIFINE MEDINFORMATION TECHNOLOGY CO., LTD.
- Yi Zhen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE