Feixiang Qin

3 Patents

• US125983702026

  Electronic Device

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites
• US124633342025

  Electronic Device

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites
• US123170172025

  Speaker Assembly and Electronic Device

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites