Inventor
LUFF ROBERT A
US27 patents
⚠️ This page may combine multiple inventors who share the name “LUFF ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN CO US LLC
16 patentsUS9042598B2May 26, 2015
Methods and apparatus to generate and use content-aware watermarks
NIELSEN CO US LLC21 citations92
US8381241B2Feb 19, 2013
Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs
NIELSEN CO US LLC24 citations92
US10685365B2Jun 16, 2020
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC4 citations84
US10078846B2Sep 18, 2018
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC8 citations84
US11556946B2Jan 17, 2023
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC2 citations73
US10956923B2Mar 23, 2021
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC1 citations73
US9514503B2Dec 6, 2016
Methods and apparatus to generate and use content-aware watermarks
NIELSEN CO US LLC4 citations73
US9113205B2Aug 18, 2015
Methods and apparatus to monitor media exposure
NIELSEN CO US LLC4 citations73
US12340385B2Jun 24, 2025
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC0 citations62
US11783356B2Oct 10, 2023
Methods and apparatus for associating media devices with a demographic composition of a geographic area
NIELSEN CO US LLC0 citations62
US11227291B2Jan 18, 2022
Methods and apparatus to perform consumer surveys
NIELSEN CO US LLC1 citations62
US9167298B2Oct 20, 2015
Methods and apparatus for using audience member behavior information to determine compliance with audience measurement system usage requirements
NIELSEN CO US LLC1 citations61
US9118962B2Aug 25, 2015
Methods and apparatus for using audience member behavior information to determine compliance with audience measurement system usage requirements
NIELSEN CO US LLC1 citations61
USRE45786EOct 27, 2015
Methods and apparatus to monitor media exposure in vehicles
NIELSEN CO US LLC1 citations60
US9565473B2Feb 7, 2017
Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs
NIELSEN CO US LLC0 citations52
USRE46329EFeb 28, 2017
Methods and apparatus to monitor media exposure in vehicles
NIELSEN CO US LLC0 citations50
LUFF ROBERT A
5 patentsUS8411963B2Apr 2, 2013
Methods and apparatus to count persons in a monitored environment
LUFF ROBERT A287 citations98
US8170886B2May 1, 2012
Systems, methods, and apparatus to generate an energy consumption index
LUFF ROBERT A78 citations97
US8406341B2Mar 26, 2013
Variable encoding and detection apparatus and methods
LUFF ROBERT A4 citations72
US9210416B2Dec 8, 2015
Variable encoding and detection apparatus and methods
LUFF ROBERT A3 citations61
US8761301B2Jun 24, 2014
Variable encoding and detection apparatus and methods
LUFF ROBERT A3 citations61
RAMASWAMY ARUN
3 patentsUS8549552B2Oct 1, 2013
Methods and apparatus to monitor media exposure in vehicles
RAMASWAMY ARUN118 citations97
US8805689B2Aug 12, 2014
Methods and apparatus to generate and use content-aware watermarks
RAMASWAMY ARUN16 citations92
US8707340B2Apr 22, 2014
Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs
RAMASWAMY ARUN6 citations84