US Patent Issued to Canon on May 27 for "Liquid ejection head and method for manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,667, issued on May 27, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and method for manufacturing the same" was invented by Souta Takeuchi (Kanagawa, Japan) and Masaya Uyama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A highly reliable liquid ejection head comprises a substrate made of silicon and having a first surface and a second surface opposite to the first surface, an ejection port forming member bonded to the first surface of the substrate and formed with an ejection port for ejecting liquid, and a bonded member configured to be bonded to the second surface of the substrate. A through flow path is formed in the...