Patents by Inventor Kikuji Yagishita

Kikuji Yagishita 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 liquid crystal display device
    Patent number: 4578672
    Abstract: A color liquid crystal display device of the invention has a number of liquid crystal panels (10) which are connected, in matrix form, to one another to provide a large screen, each panel having a plurality of groups of liquid crystal cells (102, 103 and 104) displaying three primary colors on a transparent substrate (4). Light transmitted from behind the panel is controlled by voltages applied to the liquid crystal cells (102, 103 and 104), so that the three primary colors are mixed to perform full-color large screen display.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: March 25, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Makoto Oota, Masamichi Nekozuka, Kikuji Yagishita