Patents Assigned to Osaka Seihan Center Kyogyo Kumiai
  • Process for preparing printing plates
    Patent number: 4626097
    Abstract: A process comprising the steps of preparing from a positive original transparent film pieces bearing the image of the original in a positive form for color separation, fixedly laying out each of the film pieces on a transparent film for each of the separated colors, and making a printing plate for each color with use of the transparent film having the film piece thereon.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: December 2, 1986
    Assignee: Osaka Seihan Center Kyogyo Kumiai
    Inventor: Seiichi Uchida