US Patent Issued to Canon on Sept. 1 for "Liquid ejection head" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,384, issued on Sept. 1, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head" was invented by Makoto Watanabe (Kanagawa, Japan) and Junichiro Iri (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head, having an ejection port surface that includes an ejection port from which liquid is to be ejected, includes a protective tape. The protective tape is attached to the ejection port surface to block the ejection port. The protective tape includes at least a base material and an adhesive agent. The adhesive agent has a slit extending to an end portion of the protective tape, and the slit communicates with the atmosphe...