Patents by Inventor Kenzo Kokubo

Kenzo Kokubo 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: 3936254
    Abstract: A process and apparatus are provided for making polymer plates that inlcude a uniformly thick layer of a resin composition adhering to a base or support plate. The disclosed process includes the steps of applying a resin composition to a base plate. coating the surface of the resin composition with a sheet of thermoplastic material, rolling the covered resin composition and base plate with rollers, cooling the resultant plate, peeling off the sheet material and then drying the resultant polymer plate.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: February 3, 1976
    Assignee: Nippon Paint Company Ltd.
    Inventors: Teruho Sawada, Takeshi Hirayama, Kenzo Kokubo