Patents by Inventor Edward J. Hughes

Edward J. Hughes 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: 7823108
    Abstract: An integrated circuit chip is made using Genie, a described computer chip design tool which can analyze the data contained within an entire endpoint report, compute relationships between paths based on shared segments, and display this information graphically to the designer. Specifically, Genie groups failing paths into Timing Islands. A timing island is a group of paths which contain at least one shared segment. The most frequently shared segment is sifted to the top of the priority list for each island, and is labeled as the Hub. Thinking of timing islands as a tree, the hub of the island would be the trunk. If you chop the tree down by the trunk, all of the branches, limbs and twigs will fall down too. This is analogous to fixing the timing failures in the hub, and the fix trickling out to each of the segments that dangle off the hub.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: October 26, 2010
    Assignee: International Business Machines Corporation
    Inventors: James J. Curtin, Michael J. Cadigan, Jr., Edward J. Hughes, Kevin M. Mcllvain, Jose L. Neves, Ray Raphy, Douglas S. Search
  • Patent number: 7356793
    Abstract: Genie is a described computer chip design tool which can analyze the data contained within an entire endpoint report, compute relationships between paths based on shared segments, and display this information graphically to the designer. Specifically, Genie groups failing paths into Timing Islands. A timing island is a group of paths which contain at least one shared segment. The most frequently shared segment is sifted to the top of the priority list for each island, and is labeled as the Hub. Thinking of timing islands as a tree, the hub of the island would be the trunk. If you chop the tree down by the trunk, all of the branches, limbs and twigs will fall down too. This is analogous to fixing the timing failures in the hub, and the fix trickling out to each of the segments that dangle off the hub.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: April 8, 2008
    Assignee: International Business Machines Corporation
    Inventors: James J. Curtin, Michael J. Cadigan, Jr., Edward J. Hughes, Kevin M. McIlvain, Jose L. Neves, Ray Raphy, Douglas S. Search