Patents by Inventor Wada Tomio

Wada Tomio 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).

  • Liquid crystal display devices
    Patent number: 4553821
    Abstract: There discloses a liquid-crystal display device which is effective for the display of images particularly in a TV set and in which the liquid-crystal layer contains a dopant in a specific range of quantity and insulating layer is treated with an alkoxysilane coupling agent containing a glycidoxy group.
    Type: Grant
    Filed: February 10, 1985
    Date of Patent: November 19, 1985
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yutaka Ishii, Fumiaki Funada, Toshiaki Takamatsu, Wada Tomio