Xu GUAN

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Optical detection method and optical detection apparatus for fatigu...
- Patent number 11,300,446
- Issue date Apr 12, 2022
- Beijing BOE Optoelectronics Technology Co., Ltd
- Pengfei Wei
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DETECTION METHOD AND OPTICAL DETECTION APPARATUS FOR FATIGU...
- Publication number 20200309594
- Publication date Oct 1, 2020
- BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Pengfei WEI
- G01 - MEASURING TESTING