Inventor · disambiguated record
Ian Ernan Liu
Also filed as: LIU IAN · LIU IAN ERNAN
21 granted patents·2 pending applications·237 citations·filing 2009–2024
94Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC7TENCENT TECH SHENZHEN CO LTD4VISSER ERIK4QUALCOMM INC3AMAZON TECH INC1
Top patents by PatentIndex Score
23 records- 0196US9936290B2Multi-channel echo cancellation and noise suppressionQUALCOMM INC·Filed 2014·Granted Apr 3, 2018·47 cites·25 claims
- 0294US8811601B2Integrated echo cancellation and noise suppressionMOHAMMAD ASIF I·Filed 2011·Granted Aug 19, 2014·43 cites·40 claims
- 0393US11749262B2Keyword detection method and related apparatusTENCENT TECH SHENZHEN CO LTD·Filed 2021·Granted Sep 5, 2023·3 cites·20 claims
- 0493US8724829B2Systems, methods, apparatus, and computer-readable media for coherence detectionVISSER ERIK·Filed 2009·Granted May 13, 2014·45 cites·49 claims
- 0592US11528571B1Microphone occlusion detectionAMAZON TECH INC·Filed 2021·Granted Dec 13, 2022·7 cites·18 claims
- 0691US9165567B2Systems, methods, and apparatus for speech feature detectionVISSER ERIK·Filed 2011·Granted Oct 20, 2015·29 cites·50 claims
- 0787US9552840B2Three-dimensional sound capturing and reproducing with multi-microphonesKIM LAE-HOON·Filed 2011·Granted Jan 24, 2017·12 cites·40 claims
- 0887US9025782B2Systems, methods, apparatus, and computer-readable media for multi-microphone location-selective processingVISSER ERIK·Filed 2011·Granted May 5, 2015·11 cites·46 claims
- 0984US8898058B2Systems, methods, and apparatus for voice activity detectionSHIN JONGWON·Filed 2011·Granted Nov 25, 2014·17 cites·50 claims
- 1083US10908984B2Error handling during onboarding of a serviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Feb 2, 2021·3 cites·20 claims
- 1181US10431211B2Directional processing of far-field audioQUALCOMM INC·Filed 2016·Granted Oct 1, 2019·5 cites·30 claims
- 1280US9891982B2Error handling during onboarding of a serviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Feb 13, 2018·3 cites·20 claims
- 1379US9031256B2Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording controlVISSER ERIK·Filed 2011·Granted May 12, 2015·6 cites·41 claims
- 1475US11256542B2Onboarding of a service based on automated supervision of task completionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Feb 22, 2022·2 cites·16 claims
- 1572US12361935B2Audio recognition method, method, apparatus for positioning target audio, and deviceTENCENT TECH SHENZHEN CO LTD·Filed 2024·Granted Jul 15, 2025·0 cites·18 claims
- 1670US9258661B2Automated gain matching for multiple microphonesQUALCOMM INC·Filed 2013·Granted Feb 9, 2016·3 cites·30 claims
- 1759US11967316B2Audio recognition method, method, apparatus for positioning target audio, and deviceTENCENT TECH SHENZHEN CO LTD·Filed 2021·Granted Apr 23, 2024·0 cites·20 claims
- 1859US9798583B2Onboarding of a service based on automated supervision of task completionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Oct 24, 2017·1 cites·20 claims
- 1957US10402258B2Error handling during onboarding of a serviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Sep 3, 2019·0 cites·20 claims
- 2051US10423448B2Onboarding of a service based on automated supervision of task completionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Sep 24, 2019·0 cites·20 claims
- 2144US11908456B2Azimuth estimation method, device, and storage mediumTENCENT TECH SHENZHEN CO LTD·Filed 2020·Granted Feb 20, 2024·0 cites·20 claims
- 2239US2011288860A1Systems, methods, apparatus, and computer-readable media for processing of speech signals using head-mounted microphone pairSCHEVCIW ANDRE GUSTAVO PUCCI·Filed 2011·Application pending·0 cites
- 2333US2017163587A1Onboarding of a Service Based on Client Feedback of Task CompletionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →