Patents by Inventor Akihiro MASATANI

Akihiro MASATANI 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).

  • Display system and program
    Patent number: 11056079
    Abstract: The purpose of the present invention is to provide a display system capable of preventing a change in gradation characteristics from reducing the visibility of an image. The present invention provides a display system that includes a display unit and a display control unit, wherein: the display control unit includes a gradation characteristic converter; the gradation characteristic converter converts first gradation characteristics to second gradation characteristics; the first gradation characteristics maintain a constant level of the difference in the JND correspondence value between each gradation value; the gradation characteristic converter performs the conversion to maintain a constant level of the difference in JND correspondence value between each gradation value which is controlled by the second gradation characteristics; and the display unit displays input image data as an image at a luminance corresponding to the second gradation characteristics.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: July 6, 2021
    Assignee: EIZO Corporation
    Inventors: Yoshikazu Sakai, Akihiro Masatani, Shoya Higashi
  • DISPLAY SYSTEM AND PROGRAM
    Publication number: 20210049979
    Abstract: The purpose of the present invention is to provide a display system capable of preventing a change in gradation characteristics from reducing the visibility of an image. The present invention provides a display system that includes a display unit and a display control unit, wherein: the display control unit includes a gradation characteristic converter; the gradation characteristic converter converts first gradation characteristics to second gradation characteristics; the first gradation characteristics maintain a constant level of the difference in the JND correspondence value between each gradation value; the gradation characteristic converter performs the conversion to maintain a constant level of the difference in JND correspondence value between each gradation value which is controlled by the second gradation characteristics; and the display unit displays input image data as an image at a luminance corresponding to the second gradation characteristics.
    Type: Application
    Filed: February 14, 2018
    Publication date: February 18, 2021
    Applicant: EIZO Corporation
    Inventors: Yoshikazu SAKAI, Akihiro MASATANI, Shoya HIGASHI