US Patent Issued to Ricoh on Dec. 9 for "Liquid discharge head, liquid discharge head module, and liquid discharge apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,715, issued on Dec. 9, was assigned to Ricoh Co. Ltd. (Tokyo).

"Liquid discharge head, liquid discharge head module, and liquid discharge apparatus" was invented by Yu Watanabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes: a nozzle substrate including a nozzle, from which a liquid is discharged in a discharge direction, on a nozzle face; a chamber forming plate on a first face of the nozzle substrate and including a pressure chamber communicating with the nozzle, the first face opposite to the nozzle face in the discharge direction; and a frame holding the chamber forming plate on a second face and ...