Patents by Inventor Toshinobu Yamashita

Toshinobu Yamashita 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).

  • Black coating composition and application thereof
    Patent number: 5880202
    Abstract: A black coating composition comprising a light-screening material and a macromolecular material wherein the light-screening material consists of particles having a multiple particle size distribution has high light-screening properties, is excellent in storage stability, dispersion stability and coating efficiency, and is satisfactory in other characteristics required of the light-screening thin film of a color filter used in a liquid crystal display device or the like.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: March 9, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshinobu Yamashita, Koji Tsujimoto, Toshiki Furubayashi, Takeo Tokuda, Kiyoharu Nakatsuka