Inventor · disambiguated record
John C. Peiffer
Also filed as: PEIFFER JOHN · PEIFFER JOHN C · PEIFFER JOHN CHARLES
17 granted patents·1 pending application·242 citations·filing 2002–2022
94Inventor score
Files withNIELSEN CO US LLC7MEARS PAUL M2NIELSEN MEDIA RES INC2RAMASWAMY ARUN2DARTMOUTH HITCHCOCK CLINIC1
Top patents by PatentIndex Score
18 records- 0194US8555304B2Methods and apparatus to collect audience information associated with a media presentationMEARS PAUL M·Filed 2012·Granted Oct 8, 2013·15 cites·20 claims
- 0294US7343615B2Television proximity sensorNIELSEN MEDIA RES INC·Filed 2005·Granted Mar 11, 2008·26 cites·10 claims
- 0393US8225342B2Methods and apparatus to collect audience information associated with a media presentationMEARS PAUL M·Filed 2004·Granted Jul 17, 2012·62 cites·15 claims
- 0493US7100181B2Television proximity sensorNIELSEN MEDIA RES INC·Filed 2002·Granted Aug 29, 2006·72 cites·50 claims
- 0587US7742737B2Methods and apparatus for identifying a digital audio signalNIELSEN CO US LLC·Filed 2002·Granted Jun 22, 2010·26 cites·32 claims
- 0686US9686031B2Methods and apparatus to detect a state of media presentation devicesNIELSEN CO US LLC·Filed 2014·Granted Jun 20, 2017·7 cites·20 claims
- 0785US9326034B2Methods and apparatus to collect audience information associated with a media presentationNIELSEN CO US LLC·Filed 2013·Granted Apr 26, 2016·4 cites·26 claims
- 0883US9191581B2Methods and apparatus for mixing compressed digital bit streamsNIELSEN CO US LLC·Filed 2013·Granted Nov 17, 2015·8 cites·21 claims
- 0982US8784207B2Methods and apparatus to meter video game playRAMASWAMY ARUN·Filed 2013·Granted Jul 22, 2014·5 cites·22 claims
- 1074US8548373B2Methods and apparatus for identifying a digital audio signalPEIFFER JOHN C·Filed 2010·Granted Oct 1, 2013·3 cites·20 claims
- 1173US8676570B2Methods, apparatus and articles of manufacture to perform audio watermark decodingNELSON DANIEL J·Filed 2010·Granted Mar 18, 2014·2 cites·21 claims
- 1270US9305560B2Methods, apparatus and articles of manufacture to perform audio watermark decodingNIELSEN CO US LLC·Filed 2013·Granted Apr 5, 2016·1 cites·20 claims
- 1368US12450679B2Methods and apparatus for decentralized content measurementNIELSEN CO US LLC·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
- 1468US9597043B1System and method for supporting a patient for imagery during surgeryDARTMOUTH-HITCHCOCK CLINIC·Filed 2013·Granted Mar 21, 2017·7 cites·26 claims
- 1563US8412363B2Methods and apparatus for mixing compressed digital bit streamsSRINIVASAN VENUGOPAL·Filed 2005·Granted Apr 2, 2013·3 cites·54 claims
- 1657US8430752B2Methods and apparatus to meter video game playRAMASWAMY ARUN·Filed 2008·Granted Apr 30, 2013·0 cites·29 claims
- 1754US7911347B2Protective guards for mounting an identification tag on a shopping carrierNIELSEN CO US LLC·Filed 2008·Granted Mar 22, 2011·1 cites·20 claims
- 1846US2003131350A1Method and apparatus for identifying a digital audio signalFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →