Qian Cheng

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and device with laser array illumination
- Patent number 11,362,476
- Issue date Jun 14, 2022
- Guangyi (Xiamen) Technology Co., Ltd.
- Siyang Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and device with laser array illumination
- Patent number 10,855,043
- Issue date Dec 1, 2020
- XIAMEN CHAOXUAN PHOTOELECTRIC TECHNOLOGY CO., LTD.
- Siyang Cheng
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
System and Device with Laser Array Illumination
- Publication number 20210083445
- Publication date Mar 18, 2021
- Xiamen Chaoxuan Photoelectric Technology Co., Ltd.
- Siyang Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
System and Device with Laser Array Illumination
- Publication number 20190207357
- Publication date Jul 4, 2019
- Xiamen Chaoxuan Photoelectric Technology Co., Ltd.
- Siyang Cheng
- F21 - LIGHTING