Wulin Li

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Zhongshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lens
- Patent number D1040885
- Issue date Sep 3, 2024
- GUANGDONG SIRUI OPTICAL CO., LTD.
- Jie Li
- D16 - Photography and optical equipment
Information Patent Grant
Anamorphic lens
- Patent number 10,838,171
- Issue date Nov 17, 2020
- GUANGDONG SIRUI OPTICAL CO., LTD.
- Jie Li
- G02 - OPTICS
Information Patent Grant
Large aperture anamorphic lens
- Patent number 10,831,002
- Issue date Nov 10, 2020
- GUANGDONG SIRUI OPTICAL CO., LTD.
- Jie Li
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LARGE APERTURE ANAMORPHIC LENS
- Publication number 20220050271
- Publication date Feb 17, 2022
- GUANGDONG SIRUI OPTICAL CO., LTD.
- JIE LI
- G02 - OPTICS
Information Patent Application
ANAMORPHIC LENS
- Publication number 20210405334
- Publication date Dec 30, 2021
- GUANGDONG SIRUI OPTICAL CO., LTD.
- JIE LI
- G02 - OPTICS