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Haifei Huang

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound device
    • Patent number 10,182,286
    • Issue date Jan 15, 2019
    • AAC Technologies Pte. Ltd.
    • Shuwen Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro-speaker
    • Patent number 9,338,535
    • Issue date May 10, 2016
    • AAC Technologies Pte. Ltd.
    • Yi Shao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    DIAPHRAGM FORMING MOLD
    • Publication number 20220203578
    • Publication date Jun 30, 2022
    • AAC Microtech (Changzhou) Co., Ltd.
    • Feiyang Yuan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Sound device
    • Publication number 20180255392
    • Publication date Sep 6, 2018
    • AAC Technologies Pte, Ltd.
    • Shuwen Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Micro-Speaker
    • Publication number 20160021441
    • Publication date Jan 21, 2016
    • AAC Technologies Pte. Ltd.
    • Yi Shao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE