Inventor
RANGANATHAN RAGHURAM
US43 patents
⚠️ This page may combine multiple inventors who share the name “RANGANATHAN RAGHURAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN CO US LLC
38 patentsUS9668020B2May 30, 2017
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC28 citations93
US11463787B1Oct 4, 2022
Methods and apparatus to generate a signature based on signature candidates
NIELSEN CO US LLC6 citations86
US10863236B2Dec 8, 2020
Methods and apparatus to optimize reference signature matching using watermark matching
NIELSEN CO US LLC9 citations83
US10129591B2Nov 13, 2018
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC5 citations83
US11765412B2Sep 19, 2023
Signature matching with meter data aggregation for media identification
NIELSEN CO US LLC3 citations73
US11544321B2Jan 3, 2023
Scalable architectures for reference signature matching and updating
NIELSEN CO US LLC1 citations73
US11252460B2Feb 15, 2022
Signature matching with meter data aggregation for media identification
NIELSEN CO US LLC3 citations73
US10909173B2Feb 2, 2021
Scalable architectures for reference signature matching and updating
NIELSEN CO US LLC2 citations73
US11533535B2Dec 20, 2022
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC3 citations72
US10868620B2Dec 15, 2020
Methods and apparatus for optimizing station reference fingerprint loading using reference watermarks
NIELSEN CO US LLC2 citations72
US10841650B2Nov 17, 2020
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC3 citations72
US12526489B2Jan 13, 2026
Scalable architectures for reference signature matching and updating
NIELSEN CO US LLC0 citations62
US12457373B2Oct 28, 2025
Methods, apparatus, and articles of manufacture to identify candidates for media asset qualification
NIELSEN CO US LLC0 citations62
US12445681B2Oct 14, 2025
Methods and apparatus to optimize reference signature matching using watermark matching
NIELSEN CO US LLC0 citations62
US12301902B2May 13, 2025
Signature matching with meter data aggregation for media identification
NIELSEN CO US LLC0 citations62
US12184397B2Dec 31, 2024
Methods and apparatus for optimizing station reference fingerprint loading using reference watermarks
NIELSEN CO US LLC0 citations62
US12177535B2Dec 24, 2024
Methods and apparatus to generate a signature based on signature candidates
NIELSEN CO US LLC0 citations62
US12088877B1Sep 10, 2024
Methods and apparatus for loading and roll-off of reference media assets
NIELSEN CO US LLC0 citations62
US12088875B2Sep 10, 2024
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC0 citations62
US12058422B2Aug 6, 2024
Scalable architectures for reference signature matching and updating
NIELSEN CO US LLC0 citations62
US12041301B2Jul 16, 2024
Methods and apparatus to optimize reference signature matching using watermark matching
NIELSEN CO US LLC0 citations62
US11784737B2Oct 10, 2023
Methods and apparatus for optimizing station reference fingerprint loading using reference watermarks
NIELSEN CO US LLC0 citations62
US11785316B2Oct 10, 2023
Methods and apparatus to generate a signature based on signature candidates
NIELSEN CO US LLC0 citations62
US11689764B2Jun 27, 2023
Methods and apparatus for loading and roll-off of reference media assets
NIELSEN CO US LLC0 citations62
US11638052B2Apr 25, 2023
Methods, apparatus, and articles of manufacture to identify candidates for media asset qualification
NIELSEN CO US LLC0 citations62
US11469841B2Oct 11, 2022
Methods and apparatus for optimizing station reference fingerprint loading using reference watermarks
NIELSEN CO US LLC0 citations62
US11438649B2Sep 6, 2022
Methods and apparatus to optimize reference signature matching using watermark matching
NIELSEN CO US LLC0 citations62
US12167077B2Dec 10, 2024
Methods and apparatus to identify alternate language versions of media based on signature matching
NIELSEN CO US LLC0 citations61
US12058412B2Aug 6, 2024
Methods and apparatus to credit media segments shared among multiple media assets
NIELSEN CO US LLC0 citations61
US11750878B2Sep 5, 2023
Methods and apparatus to identify alternate language versions of media based on signature matching
NIELSEN CO US LLC0 citations61
US11736765B2Aug 22, 2023
Methods and apparatus to credit media segments shared among multiple media assets
NIELSEN CO US LLC0 citations61
US11575455B2Feb 7, 2023
Methods and apparatus to reduce false positive signature matches due to similar media segments in different reference media assets
NIELSEN CO US LLC0 citations61
US11088772B1Aug 10, 2021
Methods and apparatus to reduce false positive signature matches due to similar media segments in different reference media assets
NIELSEN CO US LLC1 citations61
US12271449B2Apr 8, 2025
Methods and apparatus to credit unidentified media
NIELSEN CO US LLC0 citations52
US10211935B2Feb 19, 2019
Verification of radio station watermarking with software defined radios
NIELSEN CO US LLC0 citations52
US9887787B1Feb 6, 2018
Verification of radio station watermarking with software defined radios
NIELSEN CO US LLC1 citations52
US11558660B2Jan 17, 2023
Methods and apparatus to reduce false crediting of exposure to video-on-demand media assets
NIELSEN CO US LLC0 citations51
US12095838B2Sep 17, 2024
Methods and apparatus to accurately credit streaming sessions
NIELSEN CO US LLC0 citations45