Inventor · disambiguated record
Per Ahgren
Also filed as: AHGREN PER · ÅHGREN PER TOMAS ERIK · ÅHGREN PER
21 granted patents·2 pending applications·186 citations·filing 2007–2023
94Inventor score
Files withÅHGREN PER6MICROSOFT TECHNOLOGY LICENSING LLC5ERIKSSON ANDERS4MICROSOFT CORP4ERICSSON TELEFON AB L M1
Top patents by PatentIndex Score
23 records- 0195US9591123B2Echo cancellationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Mar 7, 2017·38 cites·20 claims
- 0295US8824693B2Processing audio signalsÅHGREN PER·Filed 2011·Granted Sep 2, 2014·49 cites·25 claims
- 0393US9111543B2Processing signalsÅHGREN PER·Filed 2011·Granted Aug 18, 2015·40 cites·26 claims
- 0488US9031257B2Processing signalsSORENSEN KARSTEN VANDBORG·Filed 2011·Granted May 12, 2015·12 cites·19 claims
- 0582US10129408B1Residual echo detection based on non-causalityGOOGLE INC·Filed 2016·Granted Nov 13, 2018·7 cites·18 claims
- 0681US9913026B2Reversed echo cancellerMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Mar 6, 2018·7 cites·20 claims
- 0778US9042573B2Processing signalsÅHGREN PER·Filed 2011·Granted May 26, 2015·7 cites·28 claims
- 0877US9277059B2Echo removalMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2013·Granted Mar 1, 2016·4 cites·20 claims
- 0973US9521264B2Echo removalMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2013·Granted Dec 13, 2016·3 cites·20 claims
- 1073US9172816B2Echo suppressionMICROSOFT CORP·Filed 2013·Granted Oct 27, 2015·3 cites·20 claims
- 1173US8538034B2Method and arrangement for echo cancellation of voice signalsERIKSSON ANDERS·Filed 2007·Granted Sep 17, 2013·4 cites·26 claims
- 1271US9167342B2Echo suppressionMICROSOFT CORP·Filed 2013·Granted Oct 20, 2015·4 cites·20 claims
- 1365US9264804B2Noise suppressing method and a noise suppressor for applying the noise suppressing methodÅHGREN PER·Filed 2010·Granted Feb 16, 2016·3 cites·22 claims
- 1464US9467571B2Echo removalMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2013·Granted Oct 11, 2016·1 cites·20 claims
- 1561US9420390B2Estimation and suppression of harmonic loudspeaker nonlinearitiesERIKSSON ANDERS·Filed 2011·Granted Aug 16, 2016·2 cites·17 claims
- 1657US8983058B2Echo canceller and a method thereofERIKSSON ANDERS·Filed 2010·Granted Mar 17, 2015·1 cites·17 claims
- 1756US8756055B2Systems and methods for improving the intelligibility of speech in a noisy environmentERIKSSON ANDERS·Filed 2008·Granted Jun 17, 2014·1 cites·31 claims
- 1848US9154873B2Echo suppressionMICROSOFT CORP·Filed 2013·Granted Oct 6, 2015·0 cites·19 claims
- 1945US9177566B2Noise suppression method and apparatusÅHGREN PER·Filed 2007·Granted Nov 3, 2015·0 cites·19 claims
- 2045US2024340608A1Minimizing Echo Caused by Stereo Audio Via Position-Sensitive Acoustic Echo CancellationGOOGLE LLC·Filed 2023·Application pending·0 cites
- 2145US2011137646A1Noise Suppression Method and ApparatusERICSSON TELEFON AB L M·Filed 2007·Application pending·0 cites
- 2240US8688758B2Systems and methods for filtering a signalÅHGREN PER·Filed 2008·Granted Apr 1, 2014·0 cites·21 claims
- 2339US8971522B2Noise reductionMICROSOFT CORP·Filed 2013·Granted Mar 3, 2015·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →