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An Duc NGUYEN

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  • West Hills, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mounting system for a loudspeaker
    • Patent number 11,985,459
    • Issue date May 14, 2024
    • Harman International Industries, Incorporated
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number D1018501
    • Issue date Mar 19, 2024
    • Harman International Industries, Incorporated
    • An Duc Nguyen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D989042
    • Issue date Jun 13, 2023
    • Harman International Industries, Incorporated
    • Christian Manuel Garcia
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker system with asymmetrical coverage horn
    • Patent number 11,564,032
    • Issue date Jan 24, 2023
    • Harman International Industries, Incorporated
    • Christian Manuel Garcia
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number D924846
    • Issue date Jul 13, 2021
    • Harman International Industries, Incorporated
    • Larry Paul Brown
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Outdoor loudspeaker with integral lighting
    • Patent number 10,433,041
    • Issue date Oct 1, 2019
    • Harman International Industries, Incorporated
    • James Garrett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Passive radiator assembly
    • Patent number 10,341,763
    • Issue date Jul 2, 2019
    • Harman International Industries, Incorporated
    • Shengbo Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system charging station
    • Patent number 10,136,201
    • Issue date Nov 20, 2018
    • Harman International Industries, Incorporated
    • Mark Fisher
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Loudspeaker
    • Patent number D800696
    • Issue date Oct 24, 2017
    • Harman International Industries, Incorporated
    • Fred Tubis
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless speaker system
    • Patent number 9,544,689
    • Issue date Jan 10, 2017
    • Harman International Industries, Inc.
    • Mark Fisher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    In-wall sub-woofer with high-volume displacement
    • Patent number 8,477,966
    • Issue date Jul 2, 2013
    • Harman International Industries, Incorporated
    • Timothy Prenta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    In-wall sub-woofer system with high-volume displacement
    • Patent number 7,840,018
    • Issue date Nov 23, 2010
    • Harman International Industries, Incorporated
    • Timothy Prenta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Low-profile transducer
    • Patent number 7,450,729
    • Issue date Nov 11, 2008
    • Harman International Industries, Incorporated
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer with folded diaphragm
    • Patent number 7,412,065
    • Issue date Aug 12, 2008
    • Harman International Industries, Incorporated
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer with mechanical balancing
    • Patent number 7,333,620
    • Issue date Feb 19, 2008
    • Harman International Industries, Incorporated
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceramic metal matrix diaphragm for loudspeakers
    • Patent number 7,280,668
    • Issue date Oct 9, 2007
    • Harman International Industries, Incorporated
    • Allan O. Devantier
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Front portion of diaphragm
    • Patent number D542780
    • Issue date May 15, 2007
    • Harman International Industries, Incorporated
    • An D. Nguyen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Front portion of diaphragm
    • Patent number D538791
    • Issue date Mar 20, 2007
    • Harman International Industries, Incorporated
    • An D. Nguyen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Ceramic metal matrix diaphragm for loudspeakers
    • Patent number 6,404,897
    • Issue date Jun 11, 2002
    • Harman International Industries, Inc.
    • Allan O. Devantier
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceramic metal matrix diaphragm for loudspeakers
    • Patent number 6,327,372
    • Issue date Dec 4, 2001
    • Harman International Industries Incorporated
    • Allan O. Devantier
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER SYSTEM WITH ASYMMETRICAL COVERAGE HORN
    • Publication number 20220353607
    • Publication date Nov 3, 2022
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Christian Manuel GARCIA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MOUNTING SYSTEM FOR A LOUDSPEAKER
    • Publication number 20220264205
    • Publication date Aug 18, 2022
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • An Duc NGUYEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DESIGN OF A PASSIVE RADIATOR ASSEMBLY
    • Publication number 20180077486
    • Publication date Mar 15, 2018
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Shengbo LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OUTDOOR LOUDSPEAKER WITH INTEGRAL LIGHTING
    • Publication number 20170311062
    • Publication date Oct 26, 2017
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • James GARRETT
    • F21 - LIGHTING
  • Information Patent Application

    SPEAKER SYSTEM CHARGING STATION
    • Publication number 20170127204
    • Publication date May 4, 2017
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • Mark FISHER
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WIRELESS SPEAKER SYSTEM
    • Publication number 20170083284
    • Publication date Mar 23, 2017
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • Mark FISHER
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WIRELESS SPEAKER SYSTEM
    • Publication number 20160066093
    • Publication date Mar 3, 2016
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • Mark FISHER
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IN-WALL SUB-WOOFER WITH HIGH-VOLUME DISPLACEMENT
    • Publication number 20100266149
    • Publication date Oct 21, 2010
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Timothy Prenta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    In-wall sub-woofer system with high-volume displacement
    • Publication number 20080080727
    • Publication date Apr 3, 2008
    • Timothy Prenta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic transducer with mechanical balancing
    • Publication number 20050036647
    • Publication date Feb 17, 2005
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic transducer with folded diaphragm
    • Publication number 20050036648
    • Publication date Feb 17, 2005
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Low-profile transducer
    • Publication number 20050031153
    • Publication date Feb 10, 2005
    • An Duc Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Ceramic metal matrix diaphragm for loudspeakers
    • Publication number 20020141610
    • Publication date Oct 3, 2002
    • Harman International Industries, Incorporated
    • Allan O. Devantier
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE