Patents by Inventor Eiki Kobayashi

Eiki Kobayashi 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: 5882754
    Abstract: Provided is a cast-coated pressure-sensitive adhesive sheet which hardly causes a curling trouble after ink jet recording which comprises a cast-coated recording paper, a pressure-sensitive adhesive layer and a release coated paper laminated via the pressure-sensitive adhesive layer on the side opposite to the recording layer, with the adhesive sheet having a difference between the two characteristic values (A) and (B) within the range of 0.00 to 0.10%, expressed in absolute value, wherein the characteristic value (A) is an irreversible shrinkage factor of the cast-coated recording paper in the CD direction determined under an environment that the relative humidity thereof is raised to 90% from 35% and then lowered to 35% and the characteristic value (B) is a shrinking rate of the release coated paper in the CD direction determined under a condition that the relaltive humidity of the environment is changed from 75% to 60% in the course of lowering the relative humidity from 90% to 35%.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: March 16, 1999
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Yoshihiro Kuroyama, Tomonobu Ohmura, Takashi Ueno, Yoichi Yamazaki, Eiki Kobayashi