ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,353, issued on Sept. 16, was assigned to RICOH COMPANY LTD. (Tokyo).
"Liquid discharge head and liquid discharge apparatus" was invented by Ryohta Matsufuji (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes a nozzle plate, a first housing, a valve body, and a second housing. The nozzle plate has a nozzle from which a liquid is dischargeable. The first housing has a first face fixed to the nozzle plate and has a liquid chamber communicating with the nozzle to supply the liquid to the nozzle. The valve body is movable between a liquid supply position and a liquid block position in a valve moving directio...