Patents by Inventor Satoko Mawatari

Satoko Mawatari 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).

  • Color conversion device, color conversion method, color conversion program, recording medium recording color conversion program, image processing device, and image display device
    Patent number: 7999826
    Abstract: A color conversion device that color-converts colors of input image data into colors used in a display unit for displaying images using at least white includes: a ratio calculating unit that calculates a lightness ratio and a saturation ratio between a color reproduction range in the standard color space and a color reproduction range in colors used by the display unit in L*a*b* space at least when a color outside of the color reproduction range in colors used by the display unit is calculated; and a color compressing unit that performs color compression on the image data based on the ratios calculated by the ratio calculating unit.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: August 16, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Satoko Mawatari, Hidekuni Moriya
  • COLOR CONVERSION DEVICE, COLOR CONVERSION METHOD, COLOR CONVERSION PROGRAM, RECORDING MEDIUM RECORDING COLOR CONVERSION PROGRAM, IMAGE PROCESSING DEVICE, AND IMAGE DISPLAY DEVICE
    Publication number: 20080186328
    Abstract: A color conversion device that color-converts colors of input image data into colors used in a display unit for displaying images using at least white includes: a ratio calculating unit that calculates a lightness ratio and a saturation ratio between a color reproduction range in the standard color space and a color reproduction range in colors used by the display unit in L*a*b* space at least when a color outside of the color reproduction range in colors used by the display unit is calculated; and a color compressing unit that performs color compression on the image data based on the ratios calculated by the ratio calculating unit.
    Type: Application
    Filed: October 19, 2007
    Publication date: August 7, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Satoko MAWATARI, Hidekuni MORIYA