US Patent Issued to Canon on April 7 for "Liquid ejection head and manufacturing method of liquid ejection head" (Japanese Inventor)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,764, issued on April 7, was assigned to Canon K.K. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head has a first substrate, a second substrate, and a damper member suppressing vibrations of a liquid. The damper member bonds the first substrate and the second substrate to each other by an adhesive agent. The damper member has a first area sandwiched between the first substrate and the second substrate and a second area not sandwiched between the first substrate and the second substrate. In the second a...