Zhengyan Liu

3 Patents

• US118892482024

  MEMS Microphone

  AAC Acoustic Technologies (Shenzhen) Co., Ltd.

  0 cites
• USD10091562023

  Shaker Rack

  Wuyi Jianxi Electronic Commerce Co., Ltd.

  0 cites
• USD09969312023

  Wine Glass Holder

  0 cites