TREA

Dong Lu

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker
    • Patent number 11,950,076
    • Issue date Apr 2, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multi-functional sound producing apparatus
    • Patent number 11,758,333
    • Issue date Sep 12, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xingzhi Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIFUNCTIONAL SOUNDING DEVICE
    • Publication number 20240205608
    • Publication date Jun 20, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND PRODUCING APPARATUS
    • Publication number 20230283959
    • Publication date Sep 7, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xingzhi Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20230283956
    • Publication date Sep 7, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL AND SPEAKER
    • Publication number 20200045452
    • Publication date Feb 6, 2020
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Kejia Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE