ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,687, issued on May 27, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Method for producing a printed material" was invented by Yuichi Tsuji (Otsu, Japan), Noboru Koshimizu (Otsu, Japan) and Takejiro Inoue (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a method for producing printed material on which active energy ray-curable ink is printed, the method being capable of improving print density without impairing gradation expressivity. The present invention is a method for producing printed material, the method including, in order: a transfer process of transferring ink to a transfer target...