Patents by Inventor Kazuya Kouchiyama

Kazuya Kouchiyama 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).

  • Half-tone representation system and controlling apparatus therefor
    Patent number: 5309170
    Abstract: A half-tone color representation system suitable for use with a multi-color liquid crystal display panel, each display dot of which is constituted by three primary color pixels. More than eight different colors are represented with the three primary color pixels by providing a "half-tone" state of a pixel which is realized through successive ON-OFF controlling of the pixel. Flicker in the half-tone color representation of the display dot is reduced by causing the patterns or timings of successive ON-OFF controlling of the three primary color pixels to be different from one another.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: May 3, 1994
    Assignees: Hitachi, Ltd., Hitachi Video Engineering, Inc.
    Inventors: Terumi Takashi, Masahiro Jinushi, Kazuya Kouchiyama