ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,842, issued on March 25, was assigned to Canon K.K. (Tokyo).
"Liquid discharge apparatus, imprint apparatus, and cleaning method" was invented by Masaki Ishida (Tochigi, Japan), Noriyasu Hasegawa (Tochigi, Japan) and Moena Oku (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge apparatus includes a discharge head including a discharge surface formed with a plurality of discharge openings from which a liquid is discharged, a cap configured to be detachably attached to the discharge head and form a holding space for a cleaning liquid such that the cleaning liquid contacts the discharge surface, a supply portion configure...