Patents by Inventor Lalit Kumar HISSARIA

Lalit Kumar HISSARIA 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).

  • METHOD AND SYSTEM FOR WELLNESS ESTIMATION OF A USER USING PULSE HARMONICS FROM PPG SIGNALS
    Publication number: 20210290091
    Abstract: Wellness estimation allows tracking of various health parameters and estimating health condition(s) of the user being monitored. Photophlethysmogram (PPG) based health monitoring systems exist. This disclosure relates generally to PPG based wellness monitoring, and more specifically to a pulse harmonics based wellness estimation. The system collects PPG signals from a user being monitored, as input. The system calculates 12 pulse harmonics from a fundamental frequency of the PPG signal. From the pulse harmonics, further a plurality of key features are extracted, and in turn a wellness metric and a wellness index are calculated, which represents health of the user.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Applicant: Tata Consultancy Services Limited
    Inventors: Ramesh Kumar RAMAKRISHNAN, Rahul Dasharath GAVAS, Venkata Subramanian VIRARAGHAVAN, Arpan PAL, Balamuralidhar PURUSHOTHAMAN, Lalit Kumar HISSARIA