US Patent Issued to Canon on March 24 for "Liquid ejection head and liquid ejection apparatus comprising the same" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,221, issued on March 24, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and liquid ejection apparatus comprising the same" was invented by Yasuhiko Osaki (Kanagawa, Japan), Shuzo Iwanaga (Kanagawa, Japan), Tatsurou Mori (Tokyo), Hiromasa Amma (Kanagawa, Japan), Shingo Okushima (Kanagawa, Japan), Satoshi Kimura (Kanagawa, Japan), Yuhei Oikawa (Kanagawa, Japan), Takatoshi Nakano (Kanagawa, Japan) and Koichi Ishida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a printing element board having an ejection surface in which an ejection orifice array is formed to eject liquid; and a protective member havin...