Patents by Inventor Xuming Du

Xuming Du has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Humidity detector for diaper
    Patent number: D831510
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 23, 2018
    Assignee: DONGGUAN SOUTHSTAR ELECTRONICS LIMITED
    Inventors: Jun Yi, Hongjun Yan, Fangyi Cai, Xuming Du, Minghui Du