ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,352, issued on Sept. 16, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head, liquid ejection apparatus, and ejection module" was invented by Yoshiyuki Nakagawa (Kanagawa, Japan) and Naoko Shimizu (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head that is compact and whose reliability of an electrical connection portion is high includes a plurality of sets of element substrates in which a plurality of ejection elements ejecting a liquid of the same type is arrayed and a plurality of sets of electrical wiring members for supplying electric power to the element substrates. Each element substrate is arrayed in...