ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,765, issued on April 7, was assigned to SCREEN Holdings Co. Ltd. (Kyoto, Japan).
"Printer" was invented by Koji Kanki (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A technique allows satisfactorily cleaning ejection heads with a cleaning liquid while protecting ink meniscus in nozzles. A printer includes an ejection head, a cleaning-liquid block, and a receptacle. The ejection head has an ink ejecting plane that includes nozzles as openings and ejects ink from the nozzles. The cleaning block has a head opposing plane that includes an ejection hole as an opening. The cleaning block ejects a cleaning liquid in an inclination direction i...