Patents by Inventor James M. Pingel

James M. Pingel 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: 8991313
    Abstract: Reducing print quality defects can include printing a pattern with an offset printing device having a binary ink developer roller, determining a variation for a hue shift of the printed pattern; and varying gain in a feedback loop of a servo motor coupled to the binary ink developer roller to reduce the variation.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: March 31, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew G. Lopez, Roya S. Akhavain, James M. Pingel, David F. Chiu
  • Publication number: 20140196623
    Abstract: Reducing print quality defects can include printing a pattern with an offset printing device having a binary ink developer roller, determining a variation for a hue shift of the printed pattern; and varying gain in a feedback loop of a servo motor coupled to the binary ink developer roller to reduce the variation.
    Type: Application
    Filed: January 15, 2013
    Publication date: July 17, 2014
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew G. Lopez, Roya S. Akhanvalin, James M. Pingel, David F. Chiu
  • Patent number: 8188159
    Abstract: An inkjet ink comprising polymeric fluoro-polymeric additives providing enhanced pen and print quality performance.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: May 29, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kai-Kong Iu, Dennis P. Parazak, James M. Pingel