Patents by Inventor Yoichi Sone

Yoichi Sone 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: 6040026
    Abstract: There are disclosed a pressure-sensitive adhesive sheet which comprises a substrate sheet, a pressure-sensitive adhesive layer formed on one side of the substrate sheet and a release layer comprising a cured product from an ionizing radiation-curing type releasable resin formed on the other side of the substrate sheet; and a laminate which comprises a plurality of these pressure-sensitive adhesive sheets that are superimposed on one another so that the pressure-sensitive adhesive layer and the release layer directly face each other and the whole surfaces of the pressure-sensitive adhesive layers are covered with the release layers. The above pressure-sensitive adhesive sheets and the laminate formed therefrom can be produced with good workability with a simplified apparatus without the generation of curls, and thus are well suited for use as display labels etc.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: March 21, 2000
    Assignee: LINTEC Corporation
    Inventors: Hiroaki Iwabuchi, Yoichi Sone, Tetsuyuki Utagawa