Inventor
ROZGIC VIKTOR
US13 patents
⚠️ This page may combine multiple inventors who share the name “ROZGIC VIKTOR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON TECH INC
12 patentsUS11069352B1Jul 20, 2021
Media presence detection
AMAZON TECH INC33 citations93
US11854538B1Dec 26, 2023
Sentiment detection in audio data
AMAZON TECH INC24 citations91
US10943604B1Mar 9, 2021
Emotion detection using speaker baseline
AMAZON TECH INC14 citations83
US11869535B1Jan 9, 2024
Character-level emotion detection
AMAZON TECH INC7 citations82
US12039998B1Jul 16, 2024
Self-supervised federated learning
AMAZON TECH INC5 citations74
US12327551B1Jun 10, 2025
Acoustic event detection
AMAZON TECH INC3 citations72
US11532300B1Dec 20, 2022
System to determine sentiment from audio data
AMAZON TECH INC3 citations71
US12087320B1Sep 10, 2024
Acoustic event detection
AMAZON TECH INC6 citations70
US11335347B2May 17, 2022
Multiple classifications of audio data
AMAZON TECH INC5 citations69
US12412574B1Sep 9, 2025
Conversation-based skill component for assessing a user's state
AMAZON TECH INC1 citations61
US11545174B2Jan 3, 2023
Emotion detection using speaker baseline
AMAZON TECH INC0 citations60
US11790919B2Oct 17, 2023
Multiple classifications of audio data
AMAZON TECH INC1 citations59