Inventor · disambiguated record
David H. Harkness
Also filed as: HARKNESS DAVID · HARKNESS DAVID H · HARKNESS DAVID HENRY
22 granted patents·6 pending applications·1,834 citations·filing 1994–2024
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US7941816B2Detection of media links in broadcast signalsNIELSEN CO US LLC·Filed 2010·Granted May 10, 2011·74 cites·8 claims
- 0298US7421723B2Detection of media links in broadcast signalsNIELSEN MEDIA RES INC·Filed 2001·Granted Sep 2, 2008·232 cites·9 claims
- 0396US8249992B2Digital rights management and audience measurement systems and methodsHARKNESS DAVID H·Filed 2008·Granted Aug 21, 2012·103 cites·22 claims
- 0496US7757248B2Detection of media links in broadcast signalsNIELSEN CO US LLC·Filed 2008·Granted Jul 13, 2010·60 cites·11 claims
- 0595US10462578B2Piezoelectric contact microphone with mechanical interfaceINTEL CORP·Filed 2017·Granted Oct 29, 2019·40 cites·20 claims
- 0694US8666528B2Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentHARKNESS DAVID HENRY·Filed 2010·Granted Mar 4, 2014·67 cites·19 claims
- 0794US7680889B2Use of browser history file to determine web site reachNIELSEN MEDIA RES INC·Filed 2005·Granted Mar 16, 2010·38 cites·14 claims
- 0894US6647548B1Coded/non-coded program audience measurement systemNIELSEN MEDIA RES INC·Filed 1996·Granted Nov 11, 2003·367 cites·37 claims
- 0993US11004456B2Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentNIELSEN CO US LLC·Filed 2019·Granted May 11, 2021·5 cites·20 claims
- 1093US5425100AUniversal broadcast code and multi-level encoded signal monitoring systemNIELSEN A C CO·Filed 1994·Granted Jun 13, 1995·424 cites·37 claims
- 1191US8776103B2Interactive service device metering systemsLU DAOZHENG·Filed 2009·Granted Jul 8, 2014·14 cites·75 claims
- 1291US7647605B2Coded/non-coded program audience measurement systemNIELSEN CO US LLC·Filed 2008·Granted Jan 12, 2010·15 cites·25 claims
- 1391US5526427AUniversal broadcast code and multi-level encoded signal monitoring systemNIELSEN A C CO·Filed 1994·Granted Jun 11, 1996·319 cites·79 claims
- 1490US10555048B2Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentNIELSEN CO US LLC·Filed 2018·Granted Feb 4, 2020·3 cites·20 claims
- 1585US10003846B2Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentNIELSEN CO US LLC·Filed 2014·Granted Jun 19, 2018·7 cites·21 claims
- 1685US2024233737A1Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentNIELSEN CO US LLC·Filed 2024·Application pending·0 cites
- 1781US7644422B2Interactive service device metering systemsNIELSEN CO US LLC·Filed 2002·Granted Jan 5, 2010·21 cites·38 claims
- 1879US10937040B2Systems and methods to identify intentionally placed productsNIELSEN CO US LLC·Filed 2016·Granted Mar 2, 2021·1 cites·20 claims
- 1971US9563897B2Systems and methods to identify intentionally placed productsHARKNESS DAVID H·Filed 2008·Granted Feb 7, 2017·1 cites·19 claims
- 2068US11948588B2Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media contentNIELSEN CO US LLC·Filed 2020·Granted Apr 2, 2024·0 cites·18 claims
- 2168US2021182883A1Systems and methods to identify intentionally placed productsNIELSEN CO US LLC·Filed 2021·Application pending·0 cites
- 2266US8862712B2Use of browser history file to determine web site reachBLUMENAU TREVOR I·Filed 2008·Granted Oct 14, 2014·2 cites·19 claims
- 2366US7607147B1Interactive service device metering systemsNIELSEN CO US LLC·Filed 1996·Granted Oct 20, 2009·41 cites·103 claims
- 2453US2004058675A1Coded/non-coded program audience measurement systemNIELSEN MEDIA RES INC·Filed 2003·Application pending·0 cites
- 2551US9037659B2Use of browser history file to determine web site reachBLUMENAU TREVOR I·Filed 2011·Granted May 19, 2015·0 cites·25 claims
- 2651US2011179447A1Detection of media links in broadcast signalsHARKNESS DAVID H·Filed 2011·Application pending·0 cites
- 2747US2010174608A1Digital rights management and audience measurement systems and methodsHARKNESS DAVID H·Filed 2009·Application pending·0 cites
- 2830US2018191267A1Apparatuses, methods, and systems for circuitry using synchronous rectifiersINTEL CORP·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →