ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,588, issued on May 13, was assigned to Canon K.K. (Tokyo).
"Liquid ejection head and manufacturing method for liquid ejection head" was invented by Zentaro Tamenaga (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a recording element substrate and an electric wiring substrate. The recording element substrate includes an ejection port configured to eject liquid, an energy generating element configured to generate energy for ejecting the liquid from the ejection port, and an electrode terminal that is electrically connected to the energy generating element. The electric wiring substrate is electrically co...