US Patent Issued to RICOH on Aug. 25 for "Liquid discharge head, liquid discharge unit, and liquid discharge apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,213, issued on Aug. 25, was assigned to RICOH COMPANY LTD. (Tokyo).

"Liquid discharge head, liquid discharge unit, and liquid discharge apparatus" was invented by Hisayoshi Ohshima (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes: a nozzle hole from which a liquid is dischargeable in a discharge direction; a liquid chamber in communication with the nozzle hole; a needle valve movable in the discharge direction to be separatable from or contactable with the nozzle hole to open or close the nozzle hole; a driver to move the needle valve in the discharge direction; a housing having: the liquid chamber; an...