Patents by Inventor Kumud Singhal

Kumud Singhal 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).

  • Deriving statistical device models from electrical test data
    Patent number: 6560568
    Abstract: A production process is used to mass-produce chips, each chip being formed in a substrate of a wafer and having an integrated circuit, each integrated circuit having a plurality of primitive device model types. The integrated circuits are produced using a statistical device model for the production process, which is derived from the sets of e-test data.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: May 6, 2003
    Assignee: Agere Systems, Inc.
    Inventors: Kumud Singhal, V. Visvanathan
  • Deriving statistical device models from worst-case files
    Patent number: 6356861
    Abstract: A set of worst-case device model files is provided for a production process used to mass-produce integrated circuits having a plurality of primitive device model types. A statistical device model for the production process is derived directly from the worst-case files.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: March 12, 2002
    Assignee: Agere Systems Guardian Corp.
    Inventors: Kumud Singhal, V. Visvanathan