Ravi Narasimhan

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Blood pressure estimation using finger-wearable sensor array
- Patent number 11,944,414
- Issue date Apr 2, 2024
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrical coupling of pulse transit time (PTT) measurement system...
- Patent number 11,918,324
- Issue date Mar 5, 2024
- Apple Inc.
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Continuous assessment of ECG signal quality
- Patent number 11,744,522
- Issue date Sep 5, 2023
- Vital Connect, Inc.
- Nima Ferdosi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Contextual heart rate monitoring
- Patent number 11,678,811
- Issue date Jun 20, 2023
- Vital Connect, Inc.
- Nima Ferdosi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Respiratory rate detection using decomposition of ECG
- Patent number 11,607,138
- Issue date Mar 21, 2023
- Vital Connect, Inc.
- Nandakumar Selvaraj
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Signal quality metric for cardiovascular time series
- Patent number 11,406,305
- Issue date Aug 9, 2022
- Vital Connect, Inc.
- Nandakumar Selvaraj
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Low-distortion ECG denoising
- Patent number 11,406,328
- Issue date Aug 9, 2022
- Vital Connect, Inc.
- Nima Ferdosi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Detection of sleep apnea using respiratory signals
- Patent number 11,324,420
- Issue date May 10, 2022
- Vital Connect, Inc.
- Nandakumar Selvaraj
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and device for determining step count
- Patent number 11,278,216
- Issue date Mar 22, 2022
- Vital Connect, Inc.
- Alexander Chan
- G01 - MEASURING TESTING
Information Patent Grant
Determining body postures and activities
- Patent number 11,096,606
- Issue date Aug 24, 2021
- Vital Connect, Inc.
- Alexander Chan
- G01 - MEASURING TESTING
Information Patent Grant
Continuous assessment of ECG signal quality
- Patent number 11,076,810
- Issue date Aug 3, 2021
- Vital Connect, Inc.
- Nima Ferdosi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Adaptive selection of digital ECG filter
- Patent number 11,051,745
- Issue date Jul 6, 2021
- Vital Connect, Inc.
- Ravi Narasimhan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Determining respiratory rate via impedance pneumography
- Patent number 11,026,632
- Issue date Jun 8, 2021
- Vital Connect, Inc.
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Blood pressure estimation using finger-wearable sensor array
- Patent number 11,013,421
- Issue date May 25, 2021
- VERILY LIFE SCIENCES LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Devices and systems for correcting errors in blood pressure measure...
- Patent number 10,881,307
- Issue date Jan 5, 2021
- Apple Inc.
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital artery blood pressure monitor
- Patent number 10,874,307
- Issue date Dec 29, 2020
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Devices and systems for correcting errors in blood pressure measure...
- Patent number 10,849,555
- Issue date Dec 1, 2020
- Apple Inc.
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrical coupling of pulse transit time (PTT) measurement system...
- Patent number 10,779,738
- Issue date Sep 22, 2020
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Blood pressure monitoring using a multi-function wrist-worn device
- Patent number 10,772,512
- Issue date Sep 15, 2020
- Erno H. Klaassen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Calibration of a chest-mounted wireless sensor device for posture a...
- Patent number 10,719,574
- Issue date Jul 21, 2020
- Vital Connect, Inc.
- Alexander Chan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems, devices, and methods for measuring blood pressure of a user
- Patent number 10,702,171
- Issue date Jul 7, 2020
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Psychological acute stress measurement using a wireless sensor
- Patent number 10,687,757
- Issue date Jun 23, 2020
- Vital Connect, Inc.
- Alexander Chan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
R-R interval measurement using multi-rate ECG processing
- Patent number 10,667,713
- Issue date Jun 2, 2020
- Vital Connect, Inc.
- Yun Yang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pressure measurement designs
- Patent number 10,646,121
- Issue date May 12, 2020
- Apple Inc.
- Ravi K. Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Respiratory rate measurement using a combination of respiration sig...
- Patent number 10,617,325
- Issue date Apr 14, 2020
- Vital Connect, Inc.
- Alexander Chan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wrist worn accelerometer for pulse transit time (PTT) measurements...
- Patent number 10,517,489
- Issue date Dec 31, 2019
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Contextual heart rate monitoring
- Patent number 10,448,849
- Issue date Oct 22, 2019
- Vital Connect, Inc.
- Nima Ferdosi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Measuring psychological stress from cardiovascular and activity sig...
- Patent number 10,433,781
- Issue date Oct 8, 2019
- Vital Connect, Inc.
- Alexander Chan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fall detection using machine learning
- Patent number 10,422,814
- Issue date Sep 24, 2019
- Vital Connect, Inc.
- Alexander Chan
- G01 - MEASURING TESTING
Information Patent Grant
Measuring psychological stress from cardiovascular and activity sig...
- Patent number 10,383,562
- Issue date Aug 20, 2019
- Vital Connect, Inc.
- Alexander Chan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
CONTINUOUS ASSESSMENT OF ECG SIGNAL QUALITY
- Publication number 20210393209
- Publication date Dec 23, 2021
- VITAL CONNECT, INC.
- Nima FERDOSI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BLOOD PRESSURE ESTIMATION USING FINGER-WEARABLE SENSOR ARRAY
- Publication number 20210236014
- Publication date Aug 5, 2021
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Blood Pressure Monitoring Using a Multi-Function Wrist-Worn Device
- Publication number 20200367760
- Publication date Nov 26, 2020
- Apple Inc.
- Erno H. Klaassen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Electrical Coupling of Pulse Transit Time (PTT) Measurement System...
- Publication number 20200367767
- Publication date Nov 26, 2020
- Apple Inc.
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DIGITAL ARTERY BLOOD PRESSURE MONITOR
- Publication number 20200337571
- Publication date Oct 29, 2020
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CONTEXTUAL HEART RATE MONITORING
- Publication number 20200046231
- Publication date Feb 13, 2020
- VITAL CONNECT, INC.
- Nima FERDOSI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RESPIRATORY RATE DETECTION USING DECOMPOSITION OF ECG
- Publication number 20190336010
- Publication date Nov 7, 2019
- VITAL CONNECT, INC.
- Nandakumar SELVARAJ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LOW-DISTORTION ECG DENOISING
- Publication number 20190183425
- Publication date Jun 20, 2019
- VITAL CONNECT, INC.
- Nima FERDOSI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DETECTION OF SLEEP APNEA USING RESPIRATORY SIGNALS
- Publication number 20190150788
- Publication date May 23, 2019
- VITAL CONNECT, INC.
- Nandakumar SELVARAJ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BLOOD PRESSURE ESTIMATION USING FINGER-WEARABLE SENSOR ARRAY
- Publication number 20190104953
- Publication date Apr 11, 2019
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD AND DEVICE FOR DETERMINING STEP COUNT
- Publication number 20180338708
- Publication date Nov 29, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PSYCHOLOGICAL ACUTE STRESS MEASUREMENT USING A WIRELESS SENSOR
- Publication number 20180310879
- Publication date Nov 1, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SIGNAL QUALITY METRIC FOR CARDIOVASCULAR TIME SERIES
- Publication number 20180303365
- Publication date Oct 25, 2018
- VITAL CONNECT, INC.
- Nandakumar SELVARAJ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DETERMINING BODY POSTURES AND ACTIVITIES
- Publication number 20180289289
- Publication date Oct 11, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LOW-DISTORTION ECG DENOISING
- Publication number 20180249961
- Publication date Sep 6, 2018
- VITAL CONNECT, INC.
- Nima FERDOSI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DIGITAL ARTERY BLOOD PRESSURE MONITOR
- Publication number 20180206746
- Publication date Jul 26, 2018
- Verily Life Sciences LLC
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CALIBRATION OF A CHEST-MOUNTED WIRELESS SENSOR DEVICE FOR POSTURE A...
- Publication number 20180189235
- Publication date Jul 5, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...
- Publication number 20180078190
- Publication date Mar 22, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...
- Publication number 20180078189
- Publication date Mar 22, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RESPIRATORY RATE MEASUREMENT USING A COMBINATION OF RESPIRATION SIG...
- Publication number 20180078174
- Publication date Mar 22, 2018
- VITAL CONNECT, INC.
- Alexander CHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
R-R INTERVAL MEASUREMENT USING MULTI-RATE ECG PROCESSING
- Publication number 20180064361
- Publication date Mar 8, 2018
- VITAL CONNECT, INC.
- Yun YANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Cuffless Blood Pressure Measurement Using Handheld Device
- Publication number 20180035949
- Publication date Feb 8, 2018
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS, DEVICES, AND METHODS FOR MEASURING BLOOD PRESSURE OF A USER
- Publication number 20170360306
- Publication date Dec 21, 2017
- Apple Inc.
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BLOOD PRESSURE MONITORING USING A MULTI-FUNCTION WRIST-WORN DEVICE
- Publication number 20170340209
- Publication date Nov 30, 2017
- APPLE, INC.
- Erno H. Klaassen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRICAL COUPLING OF PULSE TRANSIT TIME (PTT) MEASUREMENT SYSTEM...
- Publication number 20170340219
- Publication date Nov 30, 2017
- APPLE, INC.
- Thomas J. Sullivan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...
- Publication number 20170311862
- Publication date Nov 2, 2017
- VITAL CONNECT, INC.
- Arshan Aga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WRIST WORN ACCELEROMETER FOR PULSE TRANSIT TIME (PTT) MEASUREMENTS...
- Publication number 20170281024
- Publication date Oct 5, 2017
- APPLE, INC.
- Ravi Narasimhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ADAPTIVE SELECTION OF DIGITAL ECG FILTER
- Publication number 20170202473
- Publication date Jul 20, 2017
- VITAL CONNECT, INC.
- Ravi NARASIMHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CALIBRATION OF A CHEST-MOUNTED WIRELESS SENSOR DEVICE FOR POSTURE A...
- Publication number 20170184630
- Publication date Jun 29, 2017
- VITAL CONNECT, INC.
- Alexander CHAN
- G01 - MEASURING TESTING
Information Patent Application
ADAPTIVE SELECTION OF DIGITAL ECG FILTER
- Publication number 20170156618
- Publication date Jun 8, 2017
- VITAL CONNECT, INC.
- Ravi NARASIMHAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Ravi Narasimhan

Person

Patents Grantslast 30 patents

Blood pressure estimation using finger-wearable sensor array

Electrical coupling of pulse transit time (PTT) measurement system...

Continuous assessment of ECG signal quality

Contextual heart rate monitoring

Respiratory rate detection using decomposition of ECG

Signal quality metric for cardiovascular time series

Low-distortion ECG denoising

Detection of sleep apnea using respiratory signals

Method and device for determining step count

Determining body postures and activities

Continuous assessment of ECG signal quality

Adaptive selection of digital ECG filter

Determining respiratory rate via impedance pneumography

Blood pressure estimation using finger-wearable sensor array

Devices and systems for correcting errors in blood pressure measure...

Digital artery blood pressure monitor

Devices and systems for correcting errors in blood pressure measure...

Electrical coupling of pulse transit time (PTT) measurement system...

Blood pressure monitoring using a multi-function wrist-worn device

Calibration of a chest-mounted wireless sensor device for posture a...

Systems, devices, and methods for measuring blood pressure of a user

Psychological acute stress measurement using a wireless sensor

R-R interval measurement using multi-rate ECG processing

Pressure measurement designs

Respiratory rate measurement using a combination of respiration sig...

Wrist worn accelerometer for pulse transit time (PTT) measurements...

Contextual heart rate monitoring

Measuring psychological stress from cardiovascular and activity sig...

Fall detection using machine learning

Measuring psychological stress from cardiovascular and activity sig...

Patents Applicationslast 30 patents

CONTINUOUS ASSESSMENT OF ECG SIGNAL QUALITY

BLOOD PRESSURE ESTIMATION USING FINGER-WEARABLE SENSOR ARRAY

Blood Pressure Monitoring Using a Multi-Function Wrist-Worn Device

Electrical Coupling of Pulse Transit Time (PTT) Measurement System...

DIGITAL ARTERY BLOOD PRESSURE MONITOR

CONTEXTUAL HEART RATE MONITORING

RESPIRATORY RATE DETECTION USING DECOMPOSITION OF ECG

LOW-DISTORTION ECG DENOISING

DETECTION OF SLEEP APNEA USING RESPIRATORY SIGNALS

BLOOD PRESSURE ESTIMATION USING FINGER-WEARABLE SENSOR ARRAY

METHOD AND DEVICE FOR DETERMINING STEP COUNT

PSYCHOLOGICAL ACUTE STRESS MEASUREMENT USING A WIRELESS SENSOR

SIGNAL QUALITY METRIC FOR CARDIOVASCULAR TIME SERIES

DETERMINING BODY POSTURES AND ACTIVITIES

LOW-DISTORTION ECG DENOISING

DIGITAL ARTERY BLOOD PRESSURE MONITOR

CALIBRATION OF A CHEST-MOUNTED WIRELESS SENSOR DEVICE FOR POSTURE A...

MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...

MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...

RESPIRATORY RATE MEASUREMENT USING A COMBINATION OF RESPIRATION SIG...

R-R INTERVAL MEASUREMENT USING MULTI-RATE ECG PROCESSING

Cuffless Blood Pressure Measurement Using Handheld Device

SYSTEMS, DEVICES, AND METHODS FOR MEASURING BLOOD PRESSURE OF A USER

BLOOD PRESSURE MONITORING USING A MULTI-FUNCTION WRIST-WORN DEVICE

ELECTRICAL COUPLING OF PULSE TRANSIT TIME (PTT) MEASUREMENT SYSTEM...

MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIG...

WRIST WORN ACCELEROMETER FOR PULSE TRANSIT TIME (PTT) MEASUREMENTS...

ADAPTIVE SELECTION OF DIGITAL ECG FILTER

CALIBRATION OF A CHEST-MOUNTED WIRELESS SENSOR DEVICE FOR POSTURE A...

ADAPTIVE SELECTION OF DIGITAL ECG FILTER