US Patent Issued to Canon on Sept. 8 for "Liquid ejection head" (Dutch, Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,644, issued on Sept. 8, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head" was invented by Yumi Komamiya (Kanagawa, Japan), Shingo Okushima (Kanagawa, Japan), Daniel Jan Willem Lindenaar (Maasbree, Netherlands), Peter Joseph Hollands (Baarlo, Netherlands), Clemens Theodorus Weijkamp (Lomm, Netherlands), Roy Josephus Stephanus Derks (Venray, Netherlands) and Lambertus M. L. A. van Sas (Helmond, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes multiple ejection ports; multiple pressure chambers; a printing element substrate on which printing elements are arrayed and in which a supply flow channel that ...