Inventor
HARKNESS DAVID H
US17 patents
⚠️ This page may combine multiple inventors who share the name “HARKNESS DAVID H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN CO US LLC
7 patentsUS7941816B2May 10, 2011
Detection of media links in broadcast signals
NIELSEN CO US LLC74 citations97
US7757248B2Jul 13, 2010
Detection of media links in broadcast signals
NIELSEN CO US LLC60 citations97
US7607147B1Oct 20, 2009
Interactive service device metering systems
NIELSEN CO US LLC41 citations96
US7644422B2Jan 5, 2010
Interactive service device metering systems
NIELSEN CO US LLC21 citations92
US7647605B2Jan 12, 2010
Coded/non-coded program audience measurement system
NIELSEN CO US LLC15 citations84
US10937040B2Mar 2, 2021
Systems and methods to identify intentionally placed products
NIELSEN CO US LLC1 citations73
US12561705B2Feb 24, 2026
Systems and methods to identify intentionally placed products
NIELSEN CO US LLC0 citations62
NIELSEN MEDIA RES INC
3 patentsUS6647548B1Nov 11, 2003
Coded/non-coded program audience measurement system
NIELSEN MEDIA RES INC367 citations99
US7421723B2Sep 2, 2008
Detection of media links in broadcast signals
NIELSEN MEDIA RES INC232 citations98
US7680889B2Mar 16, 2010
Use of browser history file to determine web site reach
NIELSEN MEDIA RES INC38 citations95