Assignee
NPD GROUP INC
US·2 granted patents·1 pending application·494 citations·filing 1988–2014
Technology mixG06Q3
Top patents by PatentIndex Score
3 records- 0174US6070145ARespondent selection method for network-based surveyNPD GROUP INC·Filed 1996·Granted May 30, 2000·268 cites·15 claims
- 0274US4958284AOpen ended question analysis system and methodNPD GROUP INC·Filed 1988·Granted Sep 18, 1990·226 cites·51 claims
- 0355US2015220949A1Systems and methods for generating and collecting surveysNPD GROUP INC·Filed 2014·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →