ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,501, issued on July 7, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid ejection device" was invented by Ryuya Yatsuda (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection device 1 includes an accommodation section 11 configured to accommodate ink 12; a head 17 configured to eject the ink 12; and a flow path 20 that connects the accommodation section 11 and the head 17 and inside which an elastic body 201 is movably enclosed, wherein the ink 12 is supplied from the accommodation section 11 to the head 17 via the flow path 20 and the elastic body 201 expands and contracts in accordance with pressure of the ink 12 inside ...