Assignee
LU DAOZHENG
US·3 granted patents·1 pending application·519 citations·filing 1992–2011
Top patents by PatentIndex Score
4 records- 0193US5432864AIdentification card verification systemLU DAOZHENG·Filed 1992·Granted Jul 11, 1995·496 cites·4 claims
- 0291US8776103B2Interactive service device metering systemsLU DAOZHENG·Filed 2009·Granted Jul 8, 2014·14 cites·75 claims
- 0390US8732738B2Audience measurement systems and methods for digital televisionLU DAOZHENG·Filed 2011·Granted May 20, 2014·9 cites·27 claims
- 0457US2007055987A1Audience measurement systems and methods for digital televisionLU DAOZHENG·Filed 2006·Application pending·0 cites
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