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Patents Grantslast 30 patents

  • Information Patent Grant

    Micro-speaker
    • Patent number 9,049,506
    • Issue date Jun 2, 2015
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Wen-Tao Jiang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro-speaker
    • Patent number 8,938,086
    • Issue date Jan 20, 2015
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Xiong Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multi-magnet system and speaker using same
    • Patent number 8,649,550
    • Issue date Feb 11, 2014
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Lei Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multi-magnetic speaker
    • Patent number 8,630,441
    • Issue date Jan 14, 2014
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Lei Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro-speaker
    • Patent number 8,615,101
    • Issue date Dec 24, 2013
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Xiong Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MICRO-SPEAKER
    • Publication number 20130279737
    • Publication date Oct 24, 2013
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Wen-Tao JIANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO-SPEAKER
    • Publication number 20130259289
    • Publication date Oct 3, 2013
    • AAC Microtech(Changzhou) Co., Ltd
    • Xiong Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-MAGNET SYSTEM AND SPEAKER USING SAME
    • Publication number 20120177246
    • Publication date Jul 12, 2012
    • AMERICAN AUDIO COMPONENTS INC.
    • Lei SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-MAGNETIC SPEAKER
    • Publication number 20120177245
    • Publication date Jul 12, 2012
    • AMERICAN AUDIO COMPONENTS INC.
    • Lei SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO-SPEAKER
    • Publication number 20120170793
    • Publication date Jul 5, 2012
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Wen-Tao JIANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO-SPEAKER
    • Publication number 20120155696
    • Publication date Jun 21, 2012
    • AMERICAN AUDIO COMPONENTS INC.
    • Xiong Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20110110546
    • Publication date May 12, 2011
    • San-You Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE