US Patent Issued to Canon on Dec. 2 for "Liquid ejection head and method of manufacturing liquid ejection head" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,672, issued on Dec. 2, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and method of manufacturing liquid ejection head" was invented by Shogo Kawamura (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head is a liquid ejection head including a printing element substrate including a plate provided with an ejection port from which ink is ejected, including: a first groove that is provided around the plate of the printing element substrate; a second groove that is provided on the printing element substrate and in communication with the first groove through a communication portion; and a resin portion that is pr...