Patents by Inventor Shyunichi Sato

Shyunichi Sato 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: 5424753
    Abstract: A display device has first and second substrates, a liquid-crystal layer, pixel electrodes arranged on the first substrate, a plurality of semiconductor active elements connected to the pixel electrodes, signal lines for supplying drive signals to the active elements, and a plurality of opposing electrodes arranged on the second substrate. Each pixel electrode, that portion of each opposing electrode which overlaps the pixel electrode, and that portion of the liquid-crystal layer which is sandwiched between the pixel electrode and said that portion of the opposing electrode form a pixel. A voltage having a positive or negative value according to the image data is applied between the input terminal of the semiconductor active element and said at least one of the opposing electrode, for a selecting period.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: June 13, 1995
    Assignee: Casio Computer Co., Ltd.
    Inventors: Katsumi Kitagawa, Hiroyuki Okimoto, Shyunichi Sato