Patents by Inventor Hongfei Wu

Hongfei Wu 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).

  • Low skew, power sequence independent CMOS receiver device
    Patent number: 6545521
    Abstract: The present invention provides a receiver device having multiple voltage supplies that allows the output stage of the receiver device to go to a safe state whenever its voltage is disconnected or powered-down, independent of any of its normal control circuits. Furthermore, the isolation of the multiple voltage supplies provides a low skew at the output of the receiver device.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: April 8, 2003
    Assignee: International Business Machines Corporation
    Inventors: Bret R. Dale, Joseph A. Iadanza, Douglas W. Stout, Sebastian T. Ventrone, Hongfei Wu
  • LOW SKEW, POWER SEQUENCE INDEPENDENT CMOS RECEIVER DEVICE
    Publication number: 20030001642
    Abstract: The present invention provides a receiver device having multiple voltage supplies that allows the output stage of the receiver device to go to a safe state whenever its voltage is disconnected or powered-down, independent of any of its normal control circuits. Furthermore, the isolation of the multiple voltage supplies provides a low skew at the output of the receiver device.
    Type: Application
    Filed: June 29, 2001
    Publication date: January 2, 2003
    Applicant: International Business Machines Corporation
    Inventors: Bret R. Dale, Joseph A. Iadanza, Douglas W. Stout, Sebastian T. Ventrone, Hongfei Wu