Patents by Inventor Shinzo Yamada

Shinzo Yamada 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).

  • Particulate spacers and liquid crystal display cells containing these spacers
    Patent number: 5130831
    Abstract: A particulate spacer for use in a liquid crystal display cell, electrochromic display device, or the like is provided. The particulate spacer comprises a core particle and a functional layer formed on the surface of the core particle.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: July 14, 1992
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Minoru Kohara, Kazuo Saiuchi, Kazuhiko Kanki, Hisayuki Matsuda, Shinzo Yamada, Kunikazu Yamada