Patents by Inventor Keiko Tsukamoto

Keiko Tsukamoto 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).

  • Profile creation method and profile creation apparatus
    Patent number: 8339691
    Abstract: A profile creation apparatus determines whether a medium used for printing contains a fluorescent brightener, based on measured values of the medium, corrects measured values of color patches formed on the medium, based on a result of the determination, and creates a color profile based on the corrected measured values of the color patches and measured values of a viewing environment in which color patches have been formed.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: December 25, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Keiko Tsukamoto
  • INFORMATION PROCESSING APPARATUS, METHOD, AND MEDIUM STORING PROGRAM
    Publication number: 20090296118
    Abstract: An information processing apparatus for determining presence/absence of a measurement error when measuring color characteristics of a plurality of patches laid out on a chart, acquires measurement values of the plurality of patches, acquires color differences by comparing each of the measurement values of the plurality of patches and each of predetermined reference values of the plurality of patches, and determines the presence/absence of the measurement error using the acquired color differences.
    Type: Application
    Filed: May 14, 2009
    Publication date: December 3, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Keiko Tsukamoto
  • PROFILE CREATION METHOD AND PROFILE CREATION APPARATUS
    Publication number: 20090284812
    Abstract: A profile creation apparatus determines whether a medium used for printing contains a fluorescent brightener, based on measured values of the medium, corrects measured values of color patches formed on the medium, based on a result of the determination, and creates a color profile based on the corrected measured values of the color patches and measured values of a viewing environment in which color patches have been formed.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 19, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Keiko Tsukamoto