Patents by Inventor Mathew G. Lopez

Mathew G. Lopez 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).

  • Adjustment of fluid-ejection energy to yield fluid drop masses having consistent ratio
    Patent number: 7101016
    Abstract: A method of an embodiment of the invention is disclosed that determines calibration factors for a fluid-ejection mechanism that is capable of ejecting differently colored fluids onto media. The energy used to eject fluid for each of at least one of the fluid colors is adjusted based on the calibration factors, so that fluid drop ejections of the fluid colors yield fluid drop masses having a consistent ratio.
    Type: Grant
    Filed: January 18, 2004
    Date of Patent: September 5, 2006
    Assignee: Hewlett-Packard Company
    Inventors: Mathew G. Lopez, Mark A. Overton, Michael Gray