US Patent Issued to SEIKO EPSON on Aug. 25 for "Liquid ejection device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,219, issued on Aug. 25, was assigned to SEIKO EPSON Corp. (Tokyo).

"Liquid ejection device" was invented by Osamu Katsuda (Matsumoto, Japan) and Tomoki Abe (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection device includes an ejector configured to eject a liquid in a continuous flow, form the continuous flow into droplets, and cause a collision with an object in a form of the droplets, a liquid feeder includes a liquid reservoir, a displacement part, and a drive unit, the displacement part is placed to increase a volume of the liquid reservoir chamber when displaced to increase a volume of the first pressure chamber r...