US Patent Issued to Canon on Dec. 23 for "Liquid ejection head and method of inspecting the liquid ejection head" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,889, issued on Dec. 23, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and method of inspecting the liquid ejection head" was invented by Michiko Johnson (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a first substrate having a recessed portion, and a second substrate. An energy generating element that generates energy to eject liquid is in the recessed portion and is placed on a surface of the second substrate that faces the recessed portion. An electrode electrically connected to the energy generating element is formed in an end portion of the energy generating element. Among recessed portion side ...