Patents by Inventor Shinzo Hirata

Shinzo Hirata 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).

  • Front plate for field-emission display comprising barriers formed of conductive inorganic material
    Patent number: 6621210
    Abstract: A front plate for a field-emission display includes a transparent substrate, and a conductive black matrix provided with a plurality of apertures and formed on one of surfaces of the transparent substrate. Barriers are formed of conductive inorganic material on predetermined positions of the black matrix, adjacent to the apertures. Fluorescent layers are formed in the apertures of the black matrix on the transparent substrate.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: September 16, 2003
    Assignees: Sony Corporation, Dai Nippon Printing Co., Ltd.
    Inventors: Haruo Kato, Tsunenari Saito, Shinzo Hirata, Kazuyoshi Togashi
  • Front plate for field-emission display
    Publication number: 20020043924
    Abstract: A front plate for a field-emission display includes a transparent substrate, and a conductive black matrix provided with a plurality of apertures and formed on one of surfaces of the transparent substrate. Barriers are formed of conductive inorganic material on predetermined positions of the black matrix, adjacent to the apertures. Fluorescent layers are formed in the apertures of the black matrix on the transparent substrate.
    Type: Application
    Filed: July 13, 2001
    Publication date: April 18, 2002
    Inventors: Haruo Kato, Tsunenari Saito, Shinzo Hirata, Kazuyoshi Togashi