Patents by Inventor Sujian Dai

Sujian Dai 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).

  • Patent number: D957907
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: July 19, 2022
    Assignee: MAKITA CORPORATION
    Inventors: Baohua Zhang, Xuanjie Shi, Sujian Dai