ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,213, issued on Nov. 25, was assigned to KYOCERA Corp. (Kyoto, Japan).
"Ink, ink set and printer" was invented by Shuichi Fukuoka (Kirishima, Japan), Hisamitsu Sakai (Kyoto, Japan), Akihiko Nishimoto (Kirishima, Japan), Hitoshi Ookoda (Kirishima, Japan), Takashi Miyahara (Kirishima, Japan), Atsushi Ishihara (Kirishima, Japan) and Chihiro Takeshita (Kirishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink contains a medium, a coloring agent, a fixing polymer, and one or more kinds of polymers other than the fixing polymer. The coloring agent is dissolved or dispersed in the medium. The fixing polymer has a glass-transition temperature hi...