US Patent Issued to Canon on Sept. 1 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,390, issued on Sept. 1, was assigned to Canon K.K. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head including: an ejection port portion with an ejection port configured to eject liquid in an ejection direction; a pressure chamber that includes therein an energy-generating element to eject the liquid from the ejection port; a supply channel configured to supply the liquid to the pressure chamber; a collecting channel configured to collect the liquid from the pressure chamber; and a pump configured to cause the liquid ...