Patents by Inventor Shuichi Nakazato

Shuichi Nakazato 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).

  • Method of forming a phosphor layer on CRT panel and a water soluble emulsion with photosensitivity for an intermediate layer
    Patent number: 5372903
    Abstract: Respective phosphor layers (3R), (3G) and (3B) and a light absorption layer (2) are formed on the inner surface of a panel. An intermediate layer (11) is selectively formed on the surfaces of the respective phosphor layers by using a water soluble liquid having photosensitivity and containing water dispersion vinyl polymer emulsion and partial saponification polyvinyl acetate-system photosensitizer and then a metal-backing layer (12) is formed. A color purity of a phosphor screen can be increased and a brightness thereof can be improved.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: December 13, 1994
    Assignees: Sony Corporation, Oji Kako, Co., Ltd.
    Inventors: Norihiro Tateyama, Katsutoshi Ohno, Tsuneo Kusunoki, Hiroshi Itoh, Shuichi Nakazato, Naoki Isobe