Patents by Inventor Kiyoshi Kuboyama

Kiyoshi Kuboyama 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).

  • Hot stamping method
    Patent number: 4645555
    Abstract: A hot stamping method enables the formation of very sharp edges and profiles of characters/numerals, patterns and the like upon a surface of a base plate. This method comprises a masking step making certain characters, numerals and patterns formed by a masking layer upon a surface of a base plate; a step of placing a foil sheet having an adhesive layer upon a surface of the masking layer and a surface of the base plate, and transferring a foil of the foil sheet to the surface of the base plate by means of heat and pressure; and a step of leaving the transferred foil upon the surface of the base plate and releasing the masking layer and the foil transferred to the surface thereof from the base plate.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: February 24, 1987
    Assignee: Asahi Screen Process Insatsu Kabushiki Kaisha
    Inventor: Kiyoshi Kuboyama