ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,782, issued on Sept. 30, was assigned to RICOH COMPANY LTD. (Tokyo).
"Head unit and liquid discharge apparatus" was invented by Yuzuru Kuramochi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head unit includes a liquid discharge head and circuitry. The liquid discharge head includes a nozzle plate having a nozzle, a liquid chamber to store a liquid to be discharged from the nozzle, a valve body in the liquid chamber, a valve body coupler coupled to the valve body, and a driver to drive the valve body coupler to move the valve body. The valve body is movable between a contact position at which the valve body contacts the nozzle p...