Patents by Inventor Deng xu Cao

Deng xu Cao 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).

  • Battery charger for earphone
    Patent number: D986166
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: May 16, 2023
    Assignee: JVCKENWOOD Corporation
    Inventors: Yuzuko Sasaki, Deng xu Cao
  • Earphone
    Patent number: D997135
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: August 29, 2023
    Assignee: JVCKENWOOD Corporation
    Inventor: Deng xu Cao
  • Earphone
    Patent number: D1028945
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: May 28, 2024
    Assignee: JVCKENWOOD Corporation
    Inventor: Deng Xu Cao