Zewei YU

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Expander
- Patent number D1053933
- Issue date Dec 10, 2024
- Shenzhen Dongzheng Optical Technology Co., Ltd
- Baizhi Guo
- D16 - Photography and optical equipment

Patents Applicationslast 30 patents

Information Patent Application
TELE-CONVERTER STRUCTURE WITH ADJUSTABLE BACK FOCAL LENGTH
- Publication number 20240048831
- Publication date Feb 8, 2024
- Shenzhen Dongzheng Optical Technology Co., Ltd
- Zewei YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE