Inventor · disambiguated record
Cheuk Wan Chan
Also filed as: CHAN CHEUK WAN
7 granted patents·359 citations·filing 1996–2014
85Inventor score
Top patents by PatentIndex Score
7 records- 0192US8924994B2Power management for audience measurement metersCONKLIN CHARLES CLINTON·Filed 2011·Granted Dec 30, 2014·19 cites·21 claims
- 0291US6523175B1Methods and apparatus for identifying the source of a user selected signal via an intermediate frequency probeNIELSEN MEDIA RES INC·Filed 1999·Granted Feb 18, 2003·178 cites·24 claims
- 0383US5889548ATelevision receiver use metering with separate program and sync detectorsNIELSEN MEDIA RES INC·Filed 1996·Granted Mar 30, 1999·158 cites·24 claims
- 0475US7594242B2Methods and apparatus to detect an internally generated signal mode of a local media playback deviceNIELSEN CO US LLC·Filed 2006·Granted Sep 22, 2009·3 cites·24 claims
- 0561US9398331B2Power management for audience measurement metersNIELSEN CO US LLC·Filed 2014·Granted Jul 19, 2016·0 cites·18 claims
- 0661US8087042B2Methods and apparatus to detect an internally generated signal mode of a local media playback deviceCHAN CHEUK WAN·Filed 2010·Granted Dec 27, 2011·1 cites·26 claims
- 0761US7748014B2Methods and apparatus to detect an internally generated signal mode of a local media playback deviceNIELSEN CO US LLC·Filed 2009·Granted Jun 29, 2010·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →