Inventor · disambiguated record
Sylvain Angrignon
Also filed as: ANGRIGNON SYLVAIN
5 granted patents·65 citations·filing 1999–2016
72Inventor score
Files withRESEARCH IN MOTION LTD2BLACKBERRY LTD1MICROSOFT TECHNOLOGY LICENSING LLC1NORTEL NETWORKS LTD1
Top patents by PatentIndex Score
5 records- 0174US6665402B1Method and apparatus for performing echo cancellationNORTEL NETWORKS LTD·Filed 1999·Granted Dec 16, 2003·63 cites·12 claims
- 0264US9131041B2Using an auxiliary device sensor to facilitate disambiguation of detected acoustic environment changesRESEARCH IN MOTION LTD·Filed 2012·Granted Sep 8, 2015·2 cites·18 claims
- 0348US9432762B2Back cavity microphone implementationBLACKBERRY LTD·Filed 2013·Granted Aug 30, 2016·0 cites·16 claims
- 0447US9083782B2Dual beamform audio echo reductionRESEARCH IN MOTION LTD·Filed 2013·Granted Jul 14, 2015·0 cites·20 claims
- 0541US10283135B2Touchscreen tapping noise suppressionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted May 7, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →