Inventor
SELVARAJ NANDAKUMAR
US22 patents
⚠️ This page may combine multiple inventors who share the name “SELVARAJ NANDAKUMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VITAL CONNECT INC
19 patentsUS11324420B2May 10, 2022
Detection of sleep apnea using respiratory signals
VITAL CONNECT INC21 citations94
US10595776B1Mar 24, 2020
Determining energy expenditure using a wearable device
VITAL CONNECT INC26 citations94
US10582862B1Mar 10, 2020
Determination and monitoring of basal heart rate
VITAL CONNECT INC39 citations94
US10194834B2Feb 5, 2019
Detection of sleep apnea using respiratory signals
VITAL CONNECT INC20 citations94
US10039463B1Aug 7, 2018
Signal quality metric for cardiovascular time series
VITAL CONNECT INC21 citations94
US9980678B2May 29, 2018
Psychological acute stress measurement using a wireless sensor
VITAL CONNECT INC23 citations94
US9545227B2Jan 17, 2017
Sleep apnea syndrome (SAS) screening using wearable devices
VITAL CONNECT INC30 citations94
US11062804B2Jul 13, 2021
Synthetic simulation system for testing of physiological monitoring devices
VITAL CONNECT INC21 citations90
US10373714B1Aug 6, 2019
Determination of bed-time duration using wearable sensors
VITAL CONNECT INC17 citations85
US11647967B2May 16, 2023
Generating automated alarms for clinical monitoring
VITAL CONNECT INC2 citations73
US10959681B2Mar 30, 2021
Noninvasive blood pressure measurement and monitoring
VITAL CONNECT INC4 citations73
US11534108B2Dec 27, 2022
Screening device, method, and system for structural heart disease
VITAL CONNECT INC3 citations68
US11607138B2Mar 21, 2023
Respiratory rate detection using decomposition of ECG
VITAL CONNECT INC0 citations62
US11406305B2Aug 9, 2022
Signal quality metric for cardiovascular time series
VITAL CONNECT INC0 citations62
US10687757B2Jun 23, 2020
Psychological acute stress measurement using a wireless sensor
VITAL CONNECT INC1 citations62
US11419556B2Aug 23, 2022
Method and system for pacing pulse detection and pacing artifact rejection
VITAL CONNECT INC0 citations60
US12458288B2Nov 4, 2025
Screening device, method, and system for structural heart disease
VITAL CONNECT INC0 citations58
US12004852B2Jun 11, 2024
Sensor calibration considering subject-dependent variables and/or body positions
VITAL CONNECT INC0 citations51
US11162824B2Nov 2, 2021
System and method of screening biosensors
VITAL CONNECT INC0 citations51