P

Inventor

WILKINSON MATTHEW JAMES

CA25 patents
⚠️ This page may combine multiple inventors who share the name “WILKINSON MATTHEW JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRACENOTE INC

21 patents
US9323840B2Apr 26, 2016

Video fingerprinting

GRACENOTE INC32 citations94
US10606879B1Mar 31, 2020

Indexing fingerprints

GRACENOTE INC6 citations83
US10860647B2Dec 8, 2020

Systems, methods, and apparatus to improve media identification

GRACENOTE INC5 citations73
US11392641B2Jul 19, 2022

Methods and apparatus to identify media

GRACENOTE INC2 citations72
US11392640B2Jul 19, 2022

Methods and apparatus to identify media that has been pitch shifted, time shifted, and/or resampled

GRACENOTE INC2 citations72
US12554697B2Feb 17, 2026

Methods and apparatus for efficient media indexing

GRACENOTE INC0 citations62
US12436993B2Oct 7, 2025

Methods and apparatus to identify media that has been pitch shifted, time shifted, and/or resampled

GRACENOTE INC0 citations62
US12393629B2Aug 19, 2025

Methods and apparatus to identify media

GRACENOTE INC0 citations62
US12117987B2Oct 15, 2024

Methods and apparatus for efficient media indexing

GRACENOTE INC0 citations62
US12079277B2Sep 3, 2024

Systems, methods, and apparatus to improve media identification

GRACENOTE INC0 citations62
US12061646B2Aug 13, 2024

Methods and apparatus to identify media that has been pitch shifted, time shifted, and/or resampled

GRACENOTE INC0 citations62
US12056185B2Aug 6, 2024

Methods and apparatus to identify media

GRACENOTE INC0 citations62
US12045277B2Jul 23, 2024

Indexing fingerprints

GRACENOTE INC0 citations62
US11874814B2Jan 16, 2024

Methods and apparatus for efficient media indexing

GRACENOTE INC0 citations62
US11748403B2Sep 5, 2023

Methods and apparatus to identify media that has been pitch shifted, time shifted, and/or resampled

GRACENOTE INC0 citations62
US11436271B2Sep 6, 2022

Indexing fingerprints

GRACENOTE INC0 citations62
US11269840B2Mar 8, 2022

Methods and apparatus for efficient media indexing

GRACENOTE INC0 citations62
US12094486B2Sep 17, 2024

Audio content recognition method and system

GRACENOTE INC0 citations60
US11727953B2Aug 15, 2023

Audio content recognition method and system

GRACENOTE INC0 citations60
US12235896B2Feb 25, 2025

Methods and apparatus to fingerprint an audio signal via exponential normalization

GRACENOTE INC0 citations59
US12032628B2Jul 9, 2024

Methods and apparatus to fingerprint an audio signal via exponential normalization

GRACENOTE INC0 citations59

ROKU INC

2 patents

WILKINSON HEAVY PRECAST

1 patent

NIELSEN CO US LLC

1 patent