Inventor · disambiguated record
Qin Cai
Also filed as: CAI QIN · CAI QIN-JIA
13 granted patents·3 pending applications·167 citations·filing 2003–2021
91Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC6ZHANG ZHENGYOU3MICROSOFT CORP2DELTA ELECTRONICS INTL SINGAPORE PTE LTD1DELTA ELECTRONICS INT’L SINGAPORE PTE LTD1
Top patents by PatentIndex Score
16 records- 0194US8605890B2Multichannel acoustic echo cancellationZHANG ZHENGYOU·Filed 2008·Granted Dec 10, 2013·45 cites·20 claims
- 0292US8675926B2Distinguishing live faces from flat surfacesZHANG ZHENGYOU·Filed 2010·Granted Mar 18, 2014·35 cites·20 claims
- 0391US9864430B2Gaze tracking via eye gaze modelMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Jan 9, 2018·11 cites·20 claims
- 0491US9430040B2Eye gaze detection with multiple light sources and sensorsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Aug 30, 2016·14 cites·20 claims
- 0586US9552061B2Eye gaze tracking using binocular fixation constraintsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Jan 24, 2017·7 cites·20 claims
- 0683US8339459B2Multi-camera head pose trackingZHANG ZHENGYOU·Filed 2009·Granted Dec 25, 2012·13 cites·20 claims
- 0781US7844456B2Grammar confusability metric for speech recognitionMICROSOFT CORP·Filed 2007·Granted Nov 30, 2010·19 cites·19 claims
- 0877US7748030B1Licensing digital content useREALNETWORKS INC·Filed 2003·Granted Jun 29, 2010·20 cites·38 claims
- 0973US9684827B2Eye gaze tracking based upon adaptive homography mappingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Jun 20, 2017·3 cites·20 claims
- 1056US12344622B2Refining method of midbody of latamoxef sodiumHAINAN HAILING CHEMIPHARMA CORP LTD·Filed 2021·Granted Jul 1, 2025·0 cites·9 claims
- 1156US2005108176A1Configurable rules based content item consumptionFiled 2004·Application pending·0 cites
- 1254US10146305B2Eye gaze tracking using binocular fixation constraintsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Dec 4, 2018·0 cites·20 claims
- 1351US2016334869A1Eye gaze detection with multiple light sources and sensorsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Application pending·0 cites
- 1450US10083925B2Packaging process of electronic componentDELTA ELECTRONICS INTL SINGAPORE PTE LTD·Filed 2017·Granted Sep 25, 2018·0 cites·9 claims
- 1547US9875977B2Packaging process of electronic componentDelta Electronics Int'l (Singapore) Pte Ltd·Filed 2016·Granted Jan 23, 2018·0 cites·9 claims
- 1642US2014168204A1Model based video projectionMICROSOFT CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →