Patents by Inventor Katsuyki Oshima

Katsuyki Oshima 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).

  • Thermal transfer image receiving sheet, production process therefor and thermal transfer sheet
    Patent number: 5356853
    Abstract: A thermal transfer image receiving sheet includes substrate sheet and a dye receptor layer disposed on at least one surface side of the substrate sheet, wherein the dye receptor layer has been formed on the substrate sheet by superposing the substrate sheet onto a receptor layer transfer film comprising a substrate film and the dye receptor layer disposed on one surface side thereof which is peelable from the substrate film, so that the receptor layer transfer film is bonded to the substrate sheet to form a laminate, and peeling the substrate film from the laminate.The thermal transfer sheet also includes a substrate film, an intermediate layer disposed on the substrate film, and a dye layer disposed on the substrate film by the medium of the intermediate layer, wherein the dye layer comprises a dye and a binder resin, and at least one of the intermediate layer and the dye layer contains bubbles.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: October 18, 1994
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Takeshi Ueno, Mineo Yamauchi, Mikio Asajima, Katsuyki Oshima