Patents by Inventor Wen-Chung Fang

Wen-Chung Fang 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).

  • Chip-area reduction and congestion alleviation by timing-and-routability-driven empty-space propagation
    Patent number: 7200827
    Abstract: An EDA (Electronic Design Automation) process which collects and moves empty-spaces among cells on a circuit layout to one or more target areas for productive use, such as chip-size reduction and routability congestion alleviation. The process includes globally moving the empty-spaces to the target area and thereafter locally moving the empty-spaces as refinement.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: April 3, 2007
    Assignee: Apex Design Systems, Inc.
    Inventors: Tsu-Wei Ku, Wen-Chung Fang