Patents by Inventor Ji-Ning Duan

Ji-Ning Duan 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).

  • System and method for optimizing approximation functions
    Patent number: 7702709
    Abstract: Systems and methods that optimize approximation functions are provided. In one example, a method that approximates a particular expression over a sample space of input values is provided. The method may include the steps of splitting the sample space of the input values into sub-regions; associating a polynomial function for each of the sub-regions; optimizing each polynomial function over the respective sub-region; and optimizing all polynomial functions over the sample space.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: April 20, 2010
    Assignee: Broadcom Corporation
    Inventor: Ji-Ning Duan
  • System and method for optimizing approximation functions
    Publication number: 20030236675
    Abstract: Systems and methods that optimize approximation functions are provided. In one example, a method that approximates a particular expression over a sample space of input values is provided. The method may include the steps of splitting the sample space of the input values into sub-regions; associating a polynomial function for each of the sub-regions; optimizing each polynomial function over the respective sub-region; and optimizing all polynomial functions over the sample space.
    Type: Application
    Filed: June 21, 2002
    Publication date: December 25, 2003
    Inventor: Ji-Ning Duan