Inventor
SHEPPARD MICHAEL R
US30 patents
Patents
30 patentsUS10270673B1Apr 23, 2019
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC19 citations93
US10536358B2Jan 14, 2020
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC9 citations92
US11481802B2Oct 25, 2022
Methods and apparatus for audience and impression deduplication
NIELSEN CO US LLC11 citations85
US11308514B2Apr 19, 2022
Methods and apparatus to estimate census level impressions and unique audience sizes across demographics
NIELSEN CO US LLC6 citations83
US11562015B2Jan 24, 2023
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC1 citations72
US11455652B2Sep 27, 2022
Methods and apparatus to estimate the second frequency moment for computer-monitored media accesses
NIELSEN CO US LLC2 citations72
US11232148B2Jan 25, 2022
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC2 citations72
US10979324B2Apr 13, 2021
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC1 citations72
US11676160B2Jun 13, 2023
Methods and apparatus to estimate cardinality of users represented in arbitrarily distributed bloom filters
NIELSEN CO US LLC3 citations70
US12141824B2Nov 12, 2024
Methods, apparatus, and articles of manufacture to determine unique audience size via clustered data
NIELSEN CO US LLC2 citations68
US12561292B2Feb 24, 2026
Methods and apparatus to estimate cardinality through ordered statistics
NIELSEN CO US LLC0 citations62
US12554693B2Feb 17, 2026
Methods and apparatus to virtually estimate cardinality with global registers
NIELSEN CO US LLC0 citations62
US12511315B2Dec 30, 2025
Methods and apparatus to determine a frequency distribution for data in a database
NIELSEN CO US LLC0 citations62
US12229098B2Feb 18, 2025
Methods and apparatus to virtually estimate cardinality with global registers
NIELSEN CO US LLC0 citations62
US12189583B2Jan 7, 2025
Methods and apparatus to estimate cardinality through ordered statistics
NIELSEN CO US LLC0 citations62
US12189660B2Jan 7, 2025
Methods and apparatus to determine a frequency distribution for data in a database
NIELSEN CO US LLC0 citations62
US12106325B2Oct 1, 2024
Methods and apparatus for audience and impression deduplication
NIELSEN CO US LLC0 citations62
US11971922B2Apr 30, 2024
Methods and apparatus for estimating total unique audiences
NIELSEN CO US LLC0 citations62
US11816698B2Nov 14, 2023
Methods and apparatus for audience and impression deduplication
NIELSEN CO US LLC0 citations62
US11687967B2Jun 27, 2023
Methods and apparatus to estimate the second frequency moment for computer-monitored media accesses
NIELSEN CO US LLC0 citations62
US12399876B2Aug 26, 2025
Methods and apparatus to estimate audience sizes of media using deduplication based on multiple vectors of counts
NIELSEN CO US LLC0 citations61
US12093968B2Sep 17, 2024
Methods, systems and apparatus to estimate census-level total impression durations and audience size across demographics
NIELSEN CO US LLC2 citations61
US12032535B2Jul 9, 2024
Methods and apparatus to estimate audience sizes of media using deduplication based on multiple vectors of counts
NIELSEN CO US LLC0 citations61
US12499468B2Dec 16, 2025
Methods and apparatus to perform computer-based monitoring of audiences of network-based media by using information theory to estimate intermediate level unions
NIELSEN CO US LLC0 citations60
US12387227B2Aug 12, 2025
Methods and apparatus to estimate cardinality of users represented in arbitrarily distributed bloom filters
NIELSEN CO US LLC0 citations60
US12148001B2Nov 19, 2024
Methods and apparatus to estimate census level impressions and unique audience sizes across demographics
NIELSEN CO US LLC0 citations60
US11790397B2Oct 17, 2023
Methods and apparatus to perform computer-based monitoring of audiences of network-based media by using information theory to estimate intermediate level unions
NIELSEN CO US LLC0 citations60
US12141823B2Nov 12, 2024
Methods and apparatus to estimate census level impression counts and unique audience sizes across demographics
NIELSEN CO US LLC0 citations51
US11727416B2Aug 15, 2023
Methods and apparatus to estimate large scale audience deduplication
NIELSEN CO US LLC0 citations51
US11783354B2Oct 10, 2023
Methods and apparatus to estimate census level audience sizes, impression counts, and duration data
NIELSEN CO US LLC0 citations49