ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,356, issued on Sept. 16, was assigned to Canon K.K. (Tokyo).
"Liquid ejection head and method for manufacturing the same" was invented by Shuhei Oya (Kanagawa, Japan), Tomoaki Kamagata (Kanagawa, Japan), Takashi Hayasaka (Kanagawa, Japan) and Satoshi Ideta (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes an element substrate, an electric wiring board, a cover member, and a support member having a first through hole, a second through hole, and a support surface. The element substrate includes an ejection port and a pressure chamber to supply liquid to the ejection port. The cover member is joined to the...