Patents by Inventor Yoshima Sakata

Yoshima Sakata 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 sheet, liquid crystal cell substrate comprising the same
    Publication number: 20050129877
    Abstract: A resin sheet that is unlikely to be affected by heat and allows prevention of the occurrence of a crack is provided. A glass fiber cloth-like material is dipped into an epoxy resin solution and subjected to curing, thereby obtaining an epoxy resin-based sheet including the glass fiber cloth-like material. The resin sheet has a haze value of 10% or lower, and preferably, has a light transmittance of 88% or higher, an in-plane retardation of not more than 2 nm, a retardation in a thickness direction of 40 nm, and a surface roughness of not more than 2 ?m.
    Type: Application
    Filed: May 22, 2003
    Publication date: June 16, 2005
    Inventors: Yuuzou Akada, Toshiyuki Umehara, Nobuyoshi Yagi, Tadaaki Harada, Yoshima Sakata, Hidetoshi Yoshitake