Patents by Inventor Xuewen QIN

Xuewen QIN 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: 11036839
    Abstract: Password information and password input pattern information for a user may be obtained. The password information may define a password submitted by the user. The password input pattern information may define an input pattern with which the password was inputted by the user. The password may be compared with a predefined password for the user. The input pattern may be compared with a predefined input pattern for the user. The password may be authenticated based on a first match between the password and the predefined password and a second match between the input pattern and the predefined input pattern.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: June 15, 2021
    Assignee: Beijing DiDi Infinity Technology and Development Co., Ltd.
    Inventors: Xuewen Qin, Liwei Ren
  • Publication number: 20200193001
    Abstract: Password information and password input pattern information for a user may be obtained. The password information may define a password submitted by the user. The password input pattern information may define an input pattern with which the password was inputted by the user. The password may be compared with a predefined password for the user. The input pattern may be compared with a predefined input pattern for the user. The password may be authenticated based on a first match between the password and the predefined password and a second match between the input pattern and the predefined input pattern.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Inventors: Xuewen QIN, Liwei REN
  • Publication number: 20200067961
    Abstract: A data risk value for data of an endpoint may be determined. An endpoint risk value for the endpoint may be determined. A channel risk value for a set of channels through which the data is conveyable by the endpoint may be determined. A data security risk value may be determined based on the data risk value, the endpoint risk value, and the channel risk value.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 27, 2020
    Inventors: Xuewen QIN, Liwei REN