Inventor · disambiguated record
Preethi Parasseri Narayanan
Also filed as: NARAYANAN PREETHI · NARAYANAN PREETHI PARASSERI
15 granted patents·1 pending application·527 citations·filing 2012–2025
93Inventor score
Top patents by PatentIndex Score
16 records- 0197US9319816B1Characterizing environment using ultrasound pilot tonesNARAYANAN PREETHI·Filed 2012·Granted Apr 19, 2016·357 cites·23 claims
- 0296US10147441B1Voice controlled systemRAWLES LLC·Filed 2013·Granted Dec 4, 2018·78 cites·22 claims
- 0395US10515653B1Voice controlled systemAMAZON TECH INC·Filed 2018·Granted Dec 24, 2019·10 cites·20 claims
- 0494US9286899B1User authentication for devices using voice input or audio signaturesNARAYANAN PREETHI·Filed 2012·Granted Mar 15, 2016·52 cites·20 claims
- 0590US9373318B1Signal rate synchronization for remote acoustic echo cancellationRAWLES LLC·Filed 2014·Granted Jun 21, 2016·16 cites·20 claims
- 0687US9865268B1User authentication for voice-input devicesAMAZON TECH INC·Filed 2016·Granted Jan 9, 2018·4 cites·20 claims
- 0784US11087769B1User authentication for voice-input devicesAMAZON TECH INC·Filed 2018·Granted Aug 10, 2021·4 cites·20 claims
- 0883US9966086B1Signal rate synchronization for remote acoustic echo cancellationAMAZON TECH INC·Filed 2016·Granted May 8, 2018·5 cites·20 claims
- 0981US12330023B2Platform for visual tracking of user fitnessROKU INC·Filed 2024·Granted Jun 17, 2025·0 cites·20 claims
- 1081US2025281797A1Platform for Visual Tracking of User FitnessROKU INC·Filed 2025·Application pending·0 cites
- 1180US10878836B1Voice controlled systemAMAZON TECH INC·Filed 2019·Granted Dec 29, 2020·1 cites·20 claims
- 1276US12087318B1Voice controlled systemAMAZON TECH INC·Filed 2022·Granted Sep 10, 2024·0 cites·23 claims
- 1374US11951357B1Platform for visual tracking of user fitnessROKU INC·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 1472US11501792B1Voice controlled systemAMAZON TECH INC·Filed 2020·Granted Nov 15, 2022·0 cites·20 claims
- 1568US12230279B1User authentication for voice-input devicesAMAZON TECH INC·Filed 2021·Granted Feb 18, 2025·0 cites·20 claims
- 1657US10887710B1Characterizing environment using ultrasound pilot tonesAMAZON TECH INC·Filed 2016·Granted Jan 5, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →