Patents by Inventor Christopher Tang

Christopher Tang 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).

  • Efficient risk model computations
    Patent number: 10887729
    Abstract: A method is provided that includes accessing, by a server provider server of a service provider, a database storing associations between network addresses and locations. Additionally, the method includes determining a subset of the database corresponding to a first network address, each association included in the subset corresponding to an association between the first network address and a respective location. The method also includes in response to determining that the subset of the database satisfies one or more clustering criteria, calculating a representative location corresponding to the first network address, and storing an association between the first network address and the representative location in a second database.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: January 5, 2021
    Assignee: PAYPAL, INC.
    Inventors: Xin Li, Jun Zhang, Yang Yu, Xiaohan Yun, Chao Zhang, Frédéric Tu, Zhijun Ling, Libin Sun, Christopher Tang
  • EFFICIENT RISK MODEL COMPUTATIONS
    Publication number: 20200267506
    Abstract: A method is provided that includes accessing, by a server provider server of a service provider, a database storing associations between network addresses and locations. Additionally, the method includes determining a subset of the database corresponding to a first network address, each association included in the subset corresponding to an association between the first network address and a respective location. The method also includes in response to determining that the subset of the database satisfies one or more clustering criteria, calculating a representative location corresponding to the first network address, and storing an association between the first network address and the representative location in a second database.
    Type: Application
    Filed: January 21, 2020
    Publication date: August 20, 2020
    Inventors: Xin Li, Jun Zhang, Yang Yu, Xiaohan Yun, Chao Zhang, Frédéric Tu, Zhijun Ling, Libin Sun, Christopher Tang
  • Efficient risk model computations
    Patent number: 10542384
    Abstract: A method is provided that includes accessing, by a server provider server of a service provider, a database storing associations between network addresses and locations. Additionally, the method includes determining a subset of the database corresponding to a first network address, each association included in the subset corresponding to an association between the first network address and a respective location. The method also includes in response to determining that the subset of the database satisfies one or more clustering criteria, calculating a representative location corresponding to the first network address, and storing an association between the first network address and the representative location in a second database.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: January 21, 2020
    Assignee: PAYPAL, INC.
    Inventors: Xin Li, Jun Zhang, Yang Yu, Xiaohan Yun, Chao Zhang, Frédéric Tu, Zhijun Ling, Libin Sun, Christopher Tang