Zhiheng Fan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Glass with high refractive index for fiber optic imaging element wi...
- Patent number 11,858,846
- Issue date Jan 2, 2024
- CHINA BUILDING MATERIALS ACADEMY
- Lei Zhang
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fiber optic imaging element with medium-expansion and fabrication m...
- Patent number 11,802,071
- Issue date Oct 31, 2023
- CHINA BUILDING MATERIALS ACADEMY
- Lei Zhang
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
FABRICATION METHOD AND USE OF F40 mm LARGE-SIZE AND HIGH-CONTRAST
- Publication number 20240092679
- Publication date Mar 21, 2024
- China Building Materials Academy Co.,Ltd.
- Lei Zhang
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Glass with High Refractive Index for Fiber Optic Imaging Element wi...
- Publication number 20230242436
- Publication date Aug 3, 2023
- Lei Zhang
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Fiber Optic Imaging Element With Medium-Expansion And Fabrication M...
- Publication number 20230212058
- Publication date Jul 6, 2023
- China Building Materials Academy
- Lei Zhang
- G02 - OPTICS