ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,258, issued on Nov. 4, was assigned to RISO Technologies Corp. (Tokyo).
"Liquid dispensing head" was invented by Taiki Goto (Izunokuni Shizuoka, Japan), Masashi Shimosato (Mishima Shizuoka, Japan) and Noboru Nitta (Tagata Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment, a liquid dispensing head includes a nozzle plate with a plurality of nozzles and a plurality of pressure chambers respectively communicating with the nozzles. A vibration plate is on a side of the pressure chambers opposite the nozzle plate. A supply-side flow path for liquid to be dispensed from the nozzle is on an inlet side of the plurality...