ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,214, issued on Aug. 25, was assigned to RICOH COMPANY LTD. (Tokyo).
"Liquid discharge head and liquid discharge apparatus" was invented by Yuki Fujimura (Kanagawa, Japan) and Keishi Miwa (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes a nozzle plate, a liquid chamber substrate, a diaphragm plate, and a piezoelectric element. The nozzle plate has multiple nozzle holes from each of which a liquid is dischargeable in a discharge direction. The multiple nozzle holes are arrayed in an array direction. The liquid chamber substrate has a first face on the nozzle plate, multiple liquid chambers respectively c...