Inventor
SANTOS ANNA CHEN
US10 patents
Patents
10 patentsUS11501794B1Nov 15, 2022
Multimodal sentiment detection
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US11145301B1Oct 12, 2021
Communication with user presence
AMAZON TECH INC9 citations84
US11146522B1Oct 12, 2021
Communication with user location
AMAZON TECH INC9 citations79
US11437057B2Sep 6, 2022
Detection of TV state using sub-audible signal
AMAZON TECH INC2 citations71
US11234039B2Jan 25, 2022
Voice-controlled multimedia device
AMAZON TECH INC2 citations71
US10847176B2Nov 24, 2020
Detection of TV state using sub-audible signal
AMAZON TECH INC5 citations71
US10560737B2Feb 11, 2020
Voice-controlled multimedia device
AMAZON TECH INC5 citations71
US11368497B1Jun 21, 2022
System for autonomous mobile device assisted communication
AMAZON TECH INC3 citations70
US12300240B2May 13, 2025
Communication with user presence
AMAZON TECH INC0 citations61
US11862159B2Jan 2, 2024
Communication with user presence
AMAZON TECH INC0 citations61