Junjie Duan

5 Patents

• US125038282025

  Rotary Frame and Grader with Same

  JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE Ltd.

  0 cites
• US123137872025

  Electronic Device, and Interaction Method and Device

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites
• US119879512024

  Land Leveller

  XUZHOU XUGONG ROAD CONSTRUCTION MACHINERY CO., Ltd.

  0 cites
• US115875152023

  Terminal Device

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites
• US115464522023

  Mobile Terminal

  VIVO MOBILE COMMUNICATION CO., Ltd.

  0 cites