Patents by Inventor Yuichi Takaura

Yuichi Takaura 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).

  • OPTICAL LAYERED BODY, METHOD OF PRODUCING THE SAME, POLARIZER, AND IMAGE DISPLAY DEVICE
    Publication number: 20090075074
    Abstract: It is an object of the present invention to provide an optical layered body which is produced at low cost and is superior in all an antistatic property, hardness and optical properties such as haze and a total light transmittance. An optical layered body comprising a light-transmitting substrate and a hard coat layer formed on the light-transmitting substrate, wherein the hard coat layer is a resin layer formed from a hard coat layer-forming composition containing a quaternary ammonium salt having a weight average molecular weight of 1000 to 50000, a tri- or morefunctional (meth)acrylate compound having a weight average molecular weight of 700 or less, and a permeable solvent; and a content of the quaternary ammonium salt in the hard coat layer is 0.5 to 18% by weight.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 19, 2009
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Tomoyuki Horio, Yukimitsu Iwata, Takashi Kodama, Mariko Hayashi, Kenji Ueno, Atsuhiro Kobayashi, Yoshimasa Ogawa, Yuichi Takaura, Junya Eguchi, Kiyotaka Matsui