Patents by Inventor Wei-Shen Wang

Wei-Shen Wang 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).

  • Statistical optimization in place-and-route
    Patent number: 9342642
    Abstract: Place-and-route (P&R) includes maintaining a set of local arrival time information and local required time information associated with a circuit layout; determining a candidate fix on a critical path in the circuit layout; statistically determining, using one or more computer processors, a set of one or more adjusted local slacks associated with a region affected by the candidate fix; and in the event that the set of one or more adjusted local slacks indicates that the candidate fix results in a timing improvement, accepting the candidate fix.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 17, 2016
    Assignee: Atoptech, Inc.
    Inventors: Yu-Cheng Wang, Wei-Shen Wang
  • Statistical optimization in place-and-route
    Patent number: 8806412
    Abstract: Place-and-route (P&R) includes maintaining a set of local arrival time information and local required time information associated with a circuit layout; determining a candidate fix on a critical path in the circuit layout; statistically determining, using one or more computer processors, a set of one or more adjusted local slacks associated with a region affected by the candidate fix; and in the event that the set of one or more adjusted local slacks indicates that the candidate fix results in a timing improvement, accepting the candidate fix.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: August 12, 2014
    Assignee: Atoptech, Inc.
    Inventors: Yu-Cheng Wang, Wei-Shen Wang