Patents by Inventor Hiromu Kawaguchi

Hiromu Kawaguchi 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).

  • Patent number: 6287661
    Abstract: The present invention provides a label for optical disks which comprises a base sheet having a coefficient of linear expansion of 1.0×10−5 to 12.0×10−5 and a thermal shrinkage ratio of 3 or below percent, a display formed on at least one surface of the base sheet, and an adhesive layer formed on a surface of the base sheet or the display. The label for optical disks can be applied on the surface of the optical disk with displays such as various printings and pholograms, and can provides an optical disk having beauty and fineness in aesthetic.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: September 11, 2001
    Assignees: Lintec Corporation, Optrom Inc.
    Inventors: Takashi Shigetomi, Nobuo Ishiwata, Kiyohisa Ashizawa, Hiromu Kawaguchi