Patents by Inventor Shozo Kokawa

Shozo Kokawa 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
    Patent number: 5596429
    Abstract: A back lighted liquid crystal display including a light converging assembly, a light-guiding plate, a reflecting plate, and a diffusing plate integrally welded together outside of the display area and a display having a housing configuration where horizontal and vertical integrated circuit driver chips are mounted on respective adjacent peripheral edge portions of a glass plate member of a liquid crystal panel and where an illuminating lamp is mounted for easy removal on an opposite edge from the edge portions where the driver chips are located.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: January 21, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shozo Kokawa, Michiharu Nishihara, Yukikazu Sato
  • Liquid crystal display
    Patent number: 5467208
    Abstract: A liquid crystal display including a sheet for converging light from a back light source. The sheet may be an array of truncated prisms, an array of prisms separated by flat portions, asymmetrical prisms with dual vertices, or prisms with different vertices.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: November 14, 1995
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shozo Kokawa, Michiharu Nishihara, Yukikazu Sato