Patents by Inventor Liu Xingxin

Liu Xingxin 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).

  • Face recognition access terminal
    Patent number: D998484
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 12, 2023
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Liu Xingxin, Qian Guoqin, Zhu Binbin, Zhang Hongshan