ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,232, issued on Oct. 7, was assigned to SAKATA INX Corp. (Osaka, Japan).
"Nonaqueous inkjet ink composition" was invented by Okinori Nakashima (Osaka, Japan), Yoshiyuki Aoki (Osaka, Japan), Ryohei Miyake (Osaka, Japan) and Koki Ogasahara (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a nonaqueous inkjet ink composition offering excellent solid filling property and anti-mottling property, as well as excellent ink stability, discharge stability, and scratch resistance, even when printed at high speed on printing targets whose printing face is constituted by a polyvinyl chloride, ethylene-vinyl acetate-based copolyme...