ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,482, issued on Oct. 7, was assigned to Canon K.K. (Tokyo).
"Liquid ejection apparatus and head unit" was invented by Noriyasu Nagai (Tokyo), Naozumi Nabeshima (Tokyo), Ryoji Inoue (Kanagawa, Japan), Kyosuke Nagaoka (Tokyo) and Kazuya Yoshii (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection apparatus includes: an ejection head; a liquid reservoir; and a pressure control mechanism controlling a pressure of liquid supplied from the liquid reservoir and supplying the ejection head with liquid, the pressure control mechanism including a pressure chamber with the ejection head, a lever member connected to the valve element a...