Inventor
NARAYANAN PREETHI PARASSERI
US11 patents
⚠️ This page may combine multiple inventors who share the name “NARAYANAN PREETHI PARASSERI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON TECH INC
7 patentsUS10515653B1Dec 24, 2019
Voice controlled system
AMAZON TECH INC10 citations84
US10878836B1Dec 29, 2020
Voice controlled system
AMAZON TECH INC1 citations73
US9966086B1May 8, 2018
Signal rate synchronization for remote acoustic echo cancellation
AMAZON TECH INC5 citations71
US12087318B1Sep 10, 2024
Voice controlled system
AMAZON TECH INC0 citations62
US11501792B1Nov 15, 2022
Voice controlled system
AMAZON TECH INC0 citations62
US12230279B1Feb 18, 2025
User authentication for voice-input devices
AMAZON TECH INC0 citations61
US10887710B1Jan 5, 2021
Characterizing environment using ultrasound pilot tones
AMAZON TECH INC0 citations61