Patent ID: 11878504
Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
Field: nan (nan)
Classification: CPC nan | IPC B  H

Claim 6:
7. A plate-making method for manufacturing printing plates capable of representing colors by overprinting halftone dots in three colors of a plurality of process colors, the plate-making method comprising:
overprinting two colors of the three colors by a knockout method in which knockouts of halftone dots in one color are formed, and halftone dots in the other color are overprinted onto positions of the knockouts; and
overprinting a remaining color of the three colors onto the two colors by an overprint method in which at least part of halftone dots in the remaining color is put on the halftone dots in the one color and/or the halftones in the other color.