ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,929, issued on Aug. 12, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).
"Inkjet ink and inkjet recording apparatus" was invented by Tatsuhiko Yoshii (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet ink contains a quinacridone pigment, a pigment dispersion resin, and an aqueous medium. The pigment dispersion resin includes an adsorption resin adsorbed to the quinacridone pigment and a non-adsorption resin not adsorbed to the quinacridone pigment. The non-adsorption resin has a percentage content in the pigment dispersion resin of at least 20% by mass and no greater than 50% by mass. A supernatant obtained by cent...