Mingyi LIU

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ZHONGSHAN, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lens and its lens button adjustment structure
- Patent number 12,228,711
- Issue date Feb 18, 2025
- GUANGDONG SIRUI OPTICAL CO., LTD.
- Jie Li
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS AND ITS LENS BUTTON ADJUSTMENT STRUCTURE
- Publication number 20240085677
- Publication date Mar 14, 2024
- GUANGDONG SIRUI OPTICAL CO., LTD.
- JIE LI
- G02 - OPTICS