Inventor · disambiguated record
Alexander Topchy
Also filed as: TOPCHY ALEXANDER · TOPCHY ALEXANDER PAVLOVICH
134 granted patents·32 pending applications·844 citations·filing 2007–2025
99Inventor score
Files withNIELSEN CO US LLC137SRINIVASAN VENUGOPAL10TOPCHY ALEXANDER5RAMASWAMY ARUN4SOUNDARARAJAN PADMANABHAN3
Top patents by PatentIndex Score
166 records- 0198US11716507B2Methods and apparatus of media device detection for minimally invasive media metersNIELSEN CO US LLC·Filed 2022·Granted Aug 1, 2023·4 cites·20 claims
- 0298US11245960B2Methods and apparatus of media device detection for minimally invasive media metersNIELSEN CO US LLC·Filed 2020·Granted Feb 8, 2022·6 cites·21 claims
- 0398US10448123B1Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2018·Granted Oct 15, 2019·20 cites·18 claims
- 0498US10318580B2Detecting media watermarks in magnetic field dataNIELSEN CO US LLC·Filed 2017·Granted Jun 11, 2019·33 cites·20 claims
- 0598US8369972B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2008·Granted Feb 5, 2013·80 cites·33 claims
- 0697US10580421B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2018·Granted Mar 3, 2020·7 cites·20 claims
- 0797US10467286B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2017·Granted Nov 5, 2019·7 cites·20 claims
- 0897US9788777B1Methods and apparatus to identify a mood of mediaNIELSEN CO US LLC·Filed 2014·Granted Oct 17, 2017·104 cites·18 claims
- 0997US8359205B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2009·Granted Jan 22, 2013·57 cites·18 claims
- 1096US12256121B2Systems, apparatus, and methods to improve watermark detection in acoustic environmentsNIELSEN CO US LLC·Filed 2023·Granted Mar 18, 2025·3 cites·20 claims
- 1196US11197060B2Methods and apparatus to count people in an audienceNIELSEN CO US LLC·Filed 2020·Granted Dec 7, 2021·4 cites·27 claims
- 1296US10448122B1Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2018·Granted Oct 15, 2019·12 cites·15 claims
- 1396US8327396B2Methods, systems, and apparatus for multi-purpose meteringRAMASWAMY ARUN·Filed 2007·Granted Dec 4, 2012·40 cites·16 claims
- 1495US11711576B2Methods and apparatus to count people in an audienceNIELSEN CO US LLC·Filed 2021·Granted Jul 25, 2023·2 cites·25 claims
- 1595US10735808B2Methods and apparatus of media device detection for minimally invasive media metersNIELSEN CO US LLC·Filed 2017·Granted Aug 4, 2020·9 cites·18 claims
- 1695US9426525B2Methods and apparatus to count people in an audienceSOUNDARARAJAN PADMANABHAN·Filed 2013·Granted Aug 23, 2016·20 cites·29 claims
- 1795US8060372B2Methods and appratus for characterizing mediaTOPCHY ALEXANDER·Filed 2008·Granted Nov 15, 2011·31 cites·11 claims
- 1894US11316603B2Methods and apparatus for increasing the robustness of media signaturesNIELSEN CO US LLC·Filed 2021·Granted Apr 26, 2022·2 cites·20 claims
- 1994US8666528B2Methods, 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
- 2094US8121830B2Methods and apparatus to extract data encoded in media contentSRINIVASAN VENUGOPAL·Filed 2009·Granted Feb 21, 2012·23 cites·21 claims
- 2193US12075117B2Methods and apparatus of media device detection for minimally invasive media metersNIELSEN CO US LLC·Filed 2023·Granted Aug 27, 2024·1 cites·20 claims
- 2293US11564003B1Systems, apparatus, and methods to improve watermark detection in acoustic environmentsNIELSEN CO US LLC·Filed 2021·Granted Jan 24, 2023·2 cites·18 claims
- 2393US11546674B2Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2021·Granted Jan 3, 2023·2 cites·20 claims
- 2493US11451884B2Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2021·Granted Sep 20, 2022·2 cites·20 claims
- 2593US11004456B2Methods, 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
- 2693US10581541B1Media identification using watermarks and signaturesNIELSEN CO US LLC·Filed 2018·Granted Mar 3, 2020·5 cites·19 claims
- 2793US10560741B2Methods and apparatus to count people in an audienceNIELSEN CO US LLC·Filed 2018·Granted Feb 11, 2020·5 cites·23 claims
- 2893US9918126B2Methods and apparatus to count people in an audienceNIELSEN CO US LLC·Filed 2016·Granted Mar 13, 2018·6 cites·20 claims
- 2993US9055336B2Methods, systems and apparatus for multi-purpose meteringNIELSEN CO US LLC·Filed 2014·Granted Jun 9, 2015·12 cites·24 claims
- 3093US8554545B2Methods and apparatus to extract data encoded in media contentSRINIVASAN VENUGOPAL·Filed 2011·Granted Oct 8, 2013·15 cites·15 claims
- 3192US10708612B1Apparatus and methods for watermarking using starting phase modulationNIELSEN CO US LLC·Filed 2018·Granted Jul 7, 2020·5 cites·20 claims
- 3292US9972332B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2016·Granted May 15, 2018·4 cites·24 claims
- 3392US8457972B2Methods and apparatus for characterizing mediaTOPCHY ALEXANDER·Filed 2012·Granted Jun 4, 2013·10 cites·20 claims
- 3491US11843825B2Systems, apparatus, and methods to improve watermark detection in acoustic environmentsNIELSEN CO US LLC·Filed 2023·Granted Dec 12, 2023·1 cites·20 claims
- 3591US11025996B2Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2019·Granted Jun 1, 2021·4 cites·20 claims
- 3691US11025995B2Methods and apparatus to extend a timestamp range supported by a watermarkNIELSEN CO US LLC·Filed 2019·Granted Jun 1, 2021·4 cites·20 claims
- 3791US10134408B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2016·Granted Nov 20, 2018·4 cites·20 claims
- 3891US9460730B2Methods and apparatus to perform audio watermarking and watermark detection and extractionTOPCHY ALEXANDER PAVLOVICH·Filed 2012·Granted Oct 4, 2016·8 cites·20 claims
- 3991US9368123B2Methods and apparatus to perform audio watermark detection and extractionSRINIVASAN VENUGOPAL·Filed 2012·Granted Jun 14, 2016·24 cites·23 claims
- 4091US8600531B2Methods and apparatus for generating signaturesTOPCHY ALEXANDER PAVLOVICH·Filed 2008·Granted Dec 3, 2013·19 cites·30 claims
- 4190US12126863B2Methods and apparatus for measuring engagement during media exposureNIELSEN CO US LLC·Filed 2022·Granted Oct 22, 2024·1 cites·20 claims
- 4290US11357431B2Methods and apparatus to identify a mood of mediaNIELSEN CO US LLC·Filed 2020·Granted Jun 14, 2022·2 cites·18 claims
- 4390US10555048B2Methods, 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
- 4490US8508357B2Methods and apparatus to encode and decode audio for shopper location and advertisement presentation trackingSRINIVASAN VENUGOPAL·Filed 2009·Granted Aug 13, 2013·22 cites·23 claims
- 4590US8364491B2Methods and apparatus for characterizing mediaNIELSEN CO US LLC·Filed 2011·Granted Jan 29, 2013·8 cites·17 claims
- 4689US11375224B2Apparatus and methods for watermarking using starting phase modulationNIELSEN CO US LLC·Filed 2020·Granted Jun 28, 2022·2 cites·24 claims
- 4789US10964333B2Methods and apparatus to perform audio watermarking and watermark detection and extractionNIELSEN CO US LLC·Filed 2020·Granted Mar 30, 2021·2 cites·20 claims
- 4889US10530510B2Methods and apparatus for increasing the robustness of media signaturesNIELSEN CO US LLC·Filed 2019·Granted Jan 7, 2020·3 cites·20 claims
- 4989US8966521B2Methods and apparatus to present supplemental media on a second screenSOUNDARARAJAN PADMANABHAN·Filed 2013·Granted Feb 24, 2015·7 cites·29 claims
- 5089US8752081B2Methods, systems and apparatus for multi-purpose meteringRAMASWAMY ARUN·Filed 2012·Granted Jun 10, 2014·7 cites·15 claims
Showing the top 50 of 166 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →