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Zhiqiang Qiu

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker box
    • Patent number 11,665,472
    • Issue date May 30, 2023
    • AAC Technologies Pte. Ltd.
    • Zhiqiang Qiu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Layered speaker diaphragm with a first perforated layer
    • Patent number 11,265,630
    • Issue date Mar 1, 2022
    • AAC Technologies Pte. Ltd.
    • Zhiqiang Qiu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC DEVICE AND PARAMETER DETERMINING METHOD AND APPARATUS FO...
    • Publication number 20250191568
    • Publication date Jun 12, 2025
    • Honor Device Co., Ltd.
    • Xiao YANG
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    AUDIO PLAYBACK METHOD, FAILURE DETECTION METHOD FOR SCREEN SOUND PR...
    • Publication number 20240069862
    • Publication date Feb 29, 2024
    • Beijing Honor Device Co., Ltd.
    • Xiao YANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEAKER BOX
    • Publication number 20200413186
    • Publication date Dec 31, 2020
    • AAC Technologies Pte. Ltd.
    • Zhiqiang Qiu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20200413172
    • Publication date Dec 31, 2020
    • AAC Technologies Pte. Ltd.
    • Zhiqiang Qiu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE