P

Inventor

SRINIVASAN VENUGOPAL

US196 patents
⚠️ This page may combine multiple inventors who share the name “SRINIVASAN VENUGOPAL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIELSEN CO US LLC

19 patents
US8369972B2Feb 5, 2013

Methods and apparatus to perform audio watermarking and watermark detection and extraction

NIELSEN CO US LLC80 citations99
US10318580B2Jun 11, 2019

Detecting media watermarks in magnetic field data

NIELSEN CO US LLC33 citations98
US8359205B2Jan 22, 2013

Methods and apparatus to perform audio watermarking and watermark detection and extraction

NIELSEN CO US LLC57 citations98
US8351645B2Jan 8, 2013

Methods and apparatus for embedding watermarks

NIELSEN CO US LLC37 citations98
US7783889B2Aug 24, 2010

Methods and apparatus for generating signatures

NIELSEN CO US LLC72 citations98
US7609853B2Oct 27, 2009

Detecting a composition of an audience

NIELSEN CO US LLC72 citations98
US7672843B2Mar 2, 2010

Audio signature extraction and correlation

NIELSEN CO US LLC55 citations96
US9668020B2May 30, 2017

Signature retrieval and matching for media monitoring

NIELSEN CO US LLC28 citations93
US7853124B2Dec 14, 2010

Data insertion apparatus and methods for use with compressed audio/video data

NIELSEN CO US LLC27 citations93
US7752042B2Jul 6, 2010

Methods and apparatus to operate an audience metering device with voice commands

NIELSEN CO US LLC37 citations93
US7643652B2Jan 5, 2010

Method and apparatus for embedding watermarks

NIELSEN CO US LLC19 citations93
US9473795B2Oct 18, 2016

Methods and apparatus for crediting a media presentation device

NIELSEN CO US LLC16 citations92
US7742737B2Jun 22, 2010

Methods and apparatus for identifying a digital audio signal

NIELSEN CO US LLC26 citations92
US7631324B2Dec 8, 2009

Methods and apparatus for indirect illumination in electronic media rating systems

NIELSEN CO US LLC46 citations92
US11716507B2Aug 1, 2023

Methods and apparatus of media device detection for minimally invasive media meters

NIELSEN CO US LLC4 citations86
US11245960B2Feb 8, 2022

Methods and apparatus of media device detection for minimally invasive media meters

NIELSEN CO US LLC6 citations86
US11197060B2Dec 7, 2021

Methods and apparatus to count people in an audience

NIELSEN CO US LLC4 citations84
US10902542B2Jan 26, 2021

Detecting watermark modifications

NIELSEN CO US LLC4 citations84
US10810440B2Oct 20, 2020

Methods and apparatus to count people in images

NIELSEN CO US LLC6 citations84

NIELSEN MEDIA RES INC

11 patents

SRINIVASAN VENUGOPAL

10 patents

MEARS PAUL M

2 patents

NEW YORK INST TECHN

1 patent

HARKNESS DAVID HENRY

1 patent

NIELSEN COMPANY U S L L C

1 patent

SOUNDARARAJAN PADMANABHAN

1 patent

RAMASWAMY ARUN

1 patent

TOPCHY ALEXANDER

1 patent

TOPCHY ALEXANDER PAVLOVICH

1 patent

NIELSEN MEDIA RES INC A DELAWA

1 patent

Showing the top 50 of 196 patents by PatentIndex Score.