Patents.us
Patents/Inventors

Yangmeng Chang

SingaporeSG1 patent

2 Patents

  • US125033592025
    Microphone

    AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.

    0 cites
  • US122676362025
    Mems Microphone

    AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.

    0 cites