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Haijuan Yang

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  • Shenzhen, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20240179455
    • Publication date May 30, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

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    • Publication number 20240179456
    • Publication date May 30, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker Module
    • Publication number 20230328453
    • Publication date Oct 12, 2023
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE