YUSAN CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Light reflecting material, reflecting layer and preparation method...
- Patent number 12,105,307
- Issue date Oct 1, 2024
- Appotronics Corporation Limited
- Qian Li
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light-emitting ceramic and light-emitting device
- Patent number 11,245,243
- Issue date Feb 8, 2022
- Appotronics Corporation Limited
- Qian Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite ceramic and preparation method therefor
- Patent number 11,097,984
- Issue date Aug 24, 2021
- Appotronics Corporation Limited
- Qian Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Wavelength conversion device, light source system and projection sy...
- Patent number 9,897,303
- Issue date Feb 20, 2018
- Appotronics Corporation Limited
- Xiliang Wu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LIGHT REFLECTING MATERIAL, REFLECTING LAYER AND PREPARATION METHOD...
- Publication number 20210389512
- Publication date Dec 16, 2021
- Appotronics Corporation Limited
- Qian LI
- B82 - NANO-TECHNOLOGY
Information Patent Application
COMPOSITE CERAMIC AND PREPARATION METHOD THEREFOR
- Publication number 20200385312
- Publication date Dec 10, 2020
- Appotronics Corporation Limited
- Qian Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
LIGHT-EMITTING CERAMIC AND LIGHT-EMITTING DEVICE
- Publication number 20190363507
- Publication date Nov 28, 2019
- APPOTRONICS CORPORATION LIMITED
- Qian Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WAVELENGTH COINVENTOR, FLUORESCENT COLOR WHEEL, AND LIGHT-EMITTING...
- Publication number 20180158995
- Publication date Jun 7, 2018
- APPOTRONICS CORPORATION LIMITED
- Qian LI
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION DEVICE, LIGHT SOURCE SYSTEM AND PROJECTION SY...
- Publication number 20170167710
- Publication date Jun 15, 2017
- APPOTRONICS CHINA CORPORATION
- XILIANG WU
- F21 - LIGHTING
Information Patent Application
WAVELENGTH CONVERSION DEVICE AND RELATED LIGHT-EMITTING DEVICE THEREOF
- Publication number 20170146219
- Publication date May 25, 2017
- APPOTRONICS CHINA CORPORATION
- Qian LI
- G02 - OPTICS