Patents by Inventor Hiroko Kozono

Hiroko Kozono 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).

  • Liquid crystal display
    Patent number: 5646703
    Abstract: Disclosed is a liquid crystal display provided with an optical compensatory sheet consisting essentially of a transparent support and a layer prepared from a discotic liquid crystal of a low molecular weight, or an optical compensatory sheet which has the minimum of absolute values of retardation values in a direction inclined from the normal of the sheet and has no optic axis.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: July 8, 1997
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Koh Kamada, Hiroko Kozono, Jun Watanabe, Kohei Arakawa