Inventor · disambiguated record
Qinfen Zheng
Also filed as: ZHENG QINFEN
3 granted patents·1 pending application·16 citations·filing 2001–2011
62Inventor score
Top patents by PatentIndex Score
4 records- 0169US8179440B2Method and system for object surveillance and real time activity recognitionRAN YANG·Filed 2006·Granted May 15, 2012·12 cites·20 claims
- 0262US8457356B2Method and system of video object trackingZHENG QINFEN·Filed 2011·Granted Jun 4, 2013·4 cites·20 claims
- 0333US8913781B2Methods and systems for audience monitoringSTRAT TOM·Filed 2009·Granted Dec 16, 2014·0 cites·29 claims
- 0427US2002176604A1Systems and methods for determining eye glancesFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →