Patents by Inventor Kyouei Yoshida

Kyouei Yoshida 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).

  • Adhesive compositions for liquid crystal displays
    Patent number: 5731050
    Abstract: An adhesive composition for use in joining a polarizer plate to a substrate of a liquid crystal cell contains as a main component (1) an ethylene-vinyl acetate copolymer, (2) a copolymer of ethylene, vinyl acetate, and an acrylate and/or methacrylate monomer, (3) a copolymer of ethylene, vinyl acetate, and maleic acid and/or maleic anhydride, (4) a copolymer of ethylene, an acrylate and/or methacrylate monomer, and maleic acid and/or maleic anhydride or (5) an ionomer resin in the form of an ethylene-methacrylic acid copolymer having a metal ion for binding molecules thereof. The composition is thermosetting when it contains an organic peroxide. The composition is photo-curable when it contains a photosensitizer.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: March 24, 1998
    Assignee: Bridgestone Corporation
    Inventors: Hidefumi Kotsubo, Yasuhiro Morimura, Kyouei Yoshida, Kiyomi Sasaki