US Patent Issued to Seiko Epson on Jan. 28 for "Liquid ejection apparatus control method and liquid ejection apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,620, issued on Jan. 28, was assigned to Seiko Epson Corp. (Tokyo).

"Liquid ejection apparatus control method and liquid ejection apparatus" was invented by Midori Watanabe (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for controlling a liquid ejection apparatus including a liquid ejection head that ejects a plurality of types of liquids through a plurality of nozzles, a cap configured to form a closed space in which the nozzles open, and a cleaning unit configured to perform cleaning that causes liquid to be discharged from the nozzles to the cap and causes liquid to be discharged outside from the cap, cleaning is perfo...