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Inventor

Ramkrishnan Narayanan

Inventor
San Jose, CA, US

Overview

6→
Patents
2013–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis86%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data14%
PatentTitleYear
10,736,552Systems and methods for biological metrics measurement202010,638,982Systems and methods for non-invasive blood pressure measurement20209,943,267Systems and methods for non-invasive respiratory rate measurement20189,706,964'Systems and methods for non-invasive blood pressure measurement'20179,131,922'Calibration for 3D reconstruction of medical images from a sequence of 2D images'20158,425,418'Method of ultrasonic imaging and biopsy of the prostate'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to EIGEN LLC (1)· patent assignee history
2013Patents assigned to NARAYANAN RAMKRISHNAN (1)· patent assignee history
2013–2015Based in Nevada City, CA, US· patent location history
2015Patents assigned to EIGEN INC (1)· patent assignee history
2017Patents assigned to ECHO LABS INC (1)· patent assignee history
2017–2020Based in San Jose, CA, US· patent location history
2018–2020Patents assigned to SPRY HEALTH INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SPRY HEALTH INC32018–2020
ECHO LABS INC12017
EIGEN INC12015
EIGEN LLC12013
NARAYANAN RAMKRISHNANself12013
Locations
LocationPatentsSpan
San Jose, California, US42017–2020
Nevada City, California, US22013–2015