Patents by Inventor Keisuke Tsukuda

Keisuke Tsukuda 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).

  • Resin composition
    Publication number: 20030158307
    Abstract: A resin composition comprising a vinyl alicyclic hydrocarbon polymer and a hindered amine type light-resistance stabilizer having a number average molecular weight (Mn) of 1,000 to 10,000 and having excellent processing stability, light-resistance stability, heat resistance and transparency, and a light guide plate obtained by forming or molding the resin composition.
    Type: Application
    Filed: November 27, 2002
    Publication date: August 21, 2003
    Inventors: Keisuke Tsukuda, Kyoichi Kubomura