layout	default
title	Patents

Granted Patents

1. Identifying cardiac abnormalities in multi-lead ecgs using hybrid neural network with fulcrum based data re-balancing
   Varsha Sharma, Ayan Mukherjee, Chirayat Bhattacharyya, Anirban Dutta Choudhury, Murali Poduval, Sundeep Khandelwal
   United States patent no. US20230404461A1, Issue date: Mar 2026
   Europe patent no. EP4292535B1, Issue date: Oct 2024

2. Method and system for determining cardiac abnormalities using chaos-based classification model from multi-lead ecg
   Varsha Sharma, Avik Ghose, Sakyajit Bhattacharya, Sundeep Khandelwal
   United States patent no. , Issue date:
   Europe patent no. EP4434462B1, Issue date: Jul 2025

3. Method and system for monitoring human parameters using hierarchial human activity sensing
   Bhaskar Pawar, Sakyajit Bhattacharya,Karan Bhavasar, Avik Ghose, Varsha Sharma
   Europe patent no. EP4498387B1, Issue date: Jan 2026

4. Patient Invariant Model for Freezing of Gait Detection based on Empirical Wavelet Decomposition
   Shivam Singhal, Nasimuddin Ahmed, Varsha Sharma, Sakyajit Bhattacharya, Aniruddha Sinha, Avik Ghose
   United States patent no. US12580079B2, Issue date: Mar 2026
   India patent no. 518516, Issue date: Mar 2024

5. Discriminating features based sepsis prediction
   Varsha Sharma, C Bhattacharyya, T Bhattacharjee, M Poduval, S Khandelwal, Anirban Dutta Choudhury
   India patent no. 545188 , Issue date: Apr 2023
   United States patent no. US20210315511A1, Issue date: Jul 2024

6. Method and system for trip classification
   Varsha Sharma, Arijit Chowdhury
   United States patent no. US20210148718A1, Issue date: Apr 2023

7. Method and system for heart rate estimation of a user
   Shalini Mukhopadhyay, Nasimuddin Ahmed, Arijit Chowdhury, Varsha Sharma, Avik Ghose
   United States patent no. US11490824B2, Issue date: Nov 2022
   Europe patent no. EP3790022B1, Issue date: Jan 2025