Patents by Inventor Masatoshi Tomonaga

Masatoshi Tomonaga 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).

  • Publication number: 20080151164
    Abstract: A laminate according to an embodiment of the present invention includes: a base material; and a birefringence layer formed on the base material and satisfying a relationship of nz>nx=ny, wherein the birefringence layer contains an acrylate polymer.
    Type: Application
    Filed: December 26, 2007
    Publication date: June 26, 2008
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hiroyuki TAKEMOTO, Masatoshi TOMONAGA
  • Publication number: 20070002233
    Abstract: A liquid crystal panel of the present invention comprises at least: a liquid crystal cell comprising a liquid crystal layer containing a liquid crystal molecule that is oriented in homogeneous alignment with no electric field applied thereto; a first polarizer placed on one side of the liquid crystal cell; a first optical element placed between the liquid crystal cell and the first polarizer; and a second polarizer placed on the other side of the liquid crystal cell, wherein the first optical element is substantially optically isotropic, the liquid crystal cell has an initial alignment direction that is substantially parallel to the direction of an absorption axis of the first polarizer, and the absorption axis of the first polarizer is substantially perpendicular to an absorption axis of the second polarizer. The liquid crystal panel shows less discoloration of images even when the screen is viewed from oblique directions.
    Type: Application
    Filed: June 22, 2006
    Publication date: January 4, 2007
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Masatoshi Tomonaga