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Guoxiu Feng

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 12,238,467
    • Issue date Feb 25, 2025
    • AAC TECHNOLOGIES (NANNING) CO., LTD.
    • Jianhua Ding
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

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    • Patent number 11,516,566
    • Issue date Nov 29, 2022
    • AAC Technologies Pte. Ltd.
    • Jianhua Ding
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

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    • Patent number 10,820,078
    • Issue date Oct 27, 2020
    • AAC Technologies Pte. Ltd.
    • Peng Niu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER BOX
    • Publication number 20240267660
    • Publication date Aug 8, 2024
    • AAC TECHNOLOGIES (NANNING) CO., LTD.
    • Jianhua Ding
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX
    • Publication number 20200413174
    • Publication date Dec 31, 2020
    • AAC Technologies Pte. Ltd.
    • Jianhua Ding
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

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    • Publication number 20190379958
    • Publication date Dec 12, 2019
    • AAC Technologies Pte. Ltd.
    • Peng Niu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE