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Chao Wang

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  • Newton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic event detection
    • Patent number 12,087,320
    • Issue date Sep 10, 2024
    • Amazon Technologies, Inc.
    • Qin Zhang
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Acoustic event detection
    • Patent number 12,068,001
    • Issue date Aug 20, 2024
    • Amazon Technologies, Inc.
    • Harshavardhan Sundar
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Self-supervised federated learning
    • Patent number 12,039,998
    • Issue date Jul 16, 2024
    • Amazon Technologies, Inc.
    • Chieh-Chi Kao
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Streaming self-attention in a neural network
    • Patent number 11,961,514
    • Issue date Apr 16, 2024
    • Amazon Technologies, Inc.
    • Chia-Jung Chang
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Character-level emotion detection
    • Patent number 11,869,535
    • Issue date Jan 9, 2024
    • Amazon Technologies, Inc.
    • Mohammad Taha Bahadori
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Sentiment detection in audio data
    • Patent number 11,854,538
    • Issue date Dec 26, 2023
    • Amazon Technologies, Inc.
    • Viktor Rozgic
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Acoustic event detection
    • Patent number 11,790,932
    • Issue date Oct 17, 2023
    • Amazon Technologies, Inc.
    • Qingming Tang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Multiple classifications of audio data
    • Patent number 11,790,919
    • Issue date Oct 17, 2023
    • Amazon Technologies, Inc.
    • Gustavo Alfonso Aguilar Alas
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Acoustic event detection
    • Patent number 11,783,850
    • Issue date Oct 10, 2023
    • Amazon Technologies, Inc.
    • Harshavardhan Sundar
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Wakeword and acoustic event detection
    • Patent number 11,670,299
    • Issue date Jun 6, 2023
    • Amazon Technologies, Inc.
    • Ming Sun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    User presence detection
    • Patent number 11,657,832
    • Issue date May 23, 2023
    • Amazon Technologies, Inc.
    • Shiva Kumar Sundaram
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Emotion detection using speaker baseline
    • Patent number 11,545,174
    • Issue date Jan 3, 2023
    • Amazon Technologies, Inc.
    • Daniel Kenneth Bone
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    System to determine sentiment from audio data
    • Patent number 11,532,300
    • Issue date Dec 20, 2022
    • Amazon Technologies, Inc.
    • Daniel Kenneth Bone
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Multiple classifications of audio data
    • Patent number 11,335,347
    • Issue date May 17, 2022
    • Amazon Technologies, Inc.
    • Gustavo Alfonso Aguilar Alas
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Wakeword detection using multi-word model
    • Patent number 11,308,939
    • Issue date Apr 19, 2022
    • Amazon Technologies, Inc.
    • Yixin Gao
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Acoustic event detection
    • Patent number 11,302,329
    • Issue date Apr 12, 2022
    • Amazon Technologies, Inc.
    • Ming Sun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Wakeword and acoustic event detection
    • Patent number 11,132,990
    • Issue date Sep 28, 2021
    • Amazon Technologies, Inc.
    • Ming Sun
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Media presence detection
    • Patent number 11,069,352
    • Issue date Jul 20, 2021
    • Amazon Technologies, Inc.
    • Qingming Tang
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Wakeword and acoustic event detection
    • Patent number 11,043,218
    • Issue date Jun 22, 2021
    • Amazon Technologies, Inc.
    • Ming Sun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Optimizing background tasks based on forecast data
    • Patent number 11,003,491
    • Issue date May 11, 2021
    • Amazon Technologies, Inc.
    • Timothy David Gasser
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Emotion detection using speaker baseline
    • Patent number 10,943,604
    • Issue date Mar 9, 2021
    • Amazon Technologies, Inc.
    • Daniel Kenneth Bone
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Audio event detection
    • Patent number 10,803,885
    • Issue date Oct 13, 2020
    • Amazon Technologies, Inc.
    • Chieh-Chi Kao
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    User presence detection
    • Patent number 10,796,716
    • Issue date Oct 6, 2020
    • Amazon Technologies, Inc.
    • Shiva Kumar Sundaram
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Audio event detection
    • Patent number 10,418,957
    • Issue date Sep 17, 2019
    • Amazon Technologies, Inc.
    • Weiran Wang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    User presence detection
    • Patent number 10,121,494
    • Issue date Nov 6, 2018
    • Amazon Technologies, Inc.
    • Shiva Kumar Sundaram
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC EVENT DETECTION
    • Publication number 20240071407
    • Publication date Feb 29, 2024
    • AMAZON TECHNOLOGIES, INC.
    • Harshavardhan Sundar
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACOUSTIC EVENT DETECTION
    • Publication number 20240071408
    • Publication date Feb 29, 2024
    • AMAZON TECHNOLOGIES, INC.
    • Qingming Tang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    USER PRESENCE DETECTION
    • Publication number 20230410833
    • Publication date Dec 21, 2023
    • AMAZON TECHNOLOGIES, INC.
    • Shiva Kumar Sundaram
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    DATA BASE SYSTEM AND METHOD FOR MAINTAINING A DATA BASE
    • Publication number 20230315735
    • Publication date Oct 5, 2023
    • GRABTAXI HOLDINGS PTE LTD
    • Muqi LI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ACOUSTIC EVENT DETECTION
    • Publication number 20230186939
    • Publication date Jun 15, 2023
    • AMAZON TECHNOLOGIES, INC.
    • Qingming Tang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MULTIPLE CLASSIFICATIONS OF AUDIO DATA
    • Publication number 20230027828
    • Publication date Jan 26, 2023
    • AMAZON TECHNOLOGIES, INC.
    • Gustavo Alfonso Aguilar Alas
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WAKEWORD AND ACOUSTIC EVENT DETECTION
    • Publication number 20210358497
    • Publication date Nov 18, 2021
    • AMAZON TECHNOLOGIES, INC.
    • Ming Sun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    EMOTION DETECTION USING SPEAKER BASELINE
    • Publication number 20210249035
    • Publication date Aug 12, 2021
    • AMAZON TECHNOLOGIES, INC.
    • Daniel Kenneth Bone
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTIPLE CLASSIFICATIONS OF AUDIO DATA
    • Publication number 20210104245
    • Publication date Apr 8, 2021
    • AMAZON TECHNOLOGIES, INC.
    • Gustavo Alfonso Aguilar Alas
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    USER PRESENCE DETECTION
    • Publication number 20210027798
    • Publication date Jan 28, 2021
    • AMAZON TECHNOLOGIES, INC.
    • Shiva Kumar Sundaram
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    SYSTEM FOR ASSESSING VOCAL PRESENTATION
    • Publication number 20200302952
    • Publication date Sep 24, 2020
    • AMAZON TECHNOLOGIES, INC.
    • ALEXANDER JONATHAN PINKUS
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS