US Patent Issued to Canon on March 17 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,637, issued on March 17, was assigned to Canon K.K. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a print element substrate having an ejection surface on which a plurality of ejection ports corresponding to print elements for ejecting liquid are formed and a plurality of ejection port arrays formed of a plurality of the ejection ports are formed and a protective member having a plurality of openings and placed on the print element substrate so that the plurality of openings and the plurality of ejection port a...