US Patent Issued to KYOCERA DOCUMENT SOLUTIONS on Sept. 15 for "Inkjet ink and inkjet recording apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,590, issued on Sept. 15, was assigned to KYOCERA DOCUMENT SOLUTIONS INC. (Osaka, Japan).

"Inkjet ink and inkjet recording apparatus" was invented by Satoshi Sato (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet ink includes: a quinacridone pigment; a pigment coating resin; and an aqueous medium. The pigment coating resin includes an adsorbed resin that is adsorbed on the quinacridone pigment and an unadsorbed resin that is not adsorbed on the quinacridone pigment. A ratio of the unadsorbed resin to the pigment coating resin is 18 mass % or more and 52 mass % or less. A phosphorus concentration in a supernatant liquid is 1.0 pp...