Patents by Inventor Wang Wenjin

Wang Wenjin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DEVICE, SYSTEM AND METHOD FOR DETERMINING OXYGEN SATURATION OF A SUBJECT
    Publication number: 20230015851
    Abstract: The present invention relates to a device (100), system (500) and method for determining SpO2 (160) of a subject. Two types of PPG measurements, widefield PPG with a homogenous illumination and/or a spot pattern and radial PPG with a spot illumination, are used to quantify the discrepancy in penetration depths for electromagnetic radiation in the red spectral range and infrared spectral range. This discrepancy in penetration depth is then used to find a more stable ratio signals of ratios, RR, and thus a more accurate SpO2 (160).
    Type: Application
    Filed: December 8, 2020
    Publication date: January 19, 2023
    Inventors: Willem Verkruijsse, Wang Wenjin, Andreia Moco, Nicolaas Lambert, Maria Estrella Mena Benito