US Patent Issued to Canon on June 23 for "Liquid ejection head" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,884, issued on June 23, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head" was invented by Tatsurou Mori (Tokyo), Shuzo Iwanaga (Kanagawa, Japan), Hiromasa Amma (Kanagawa, Japan), Shingo Okushima (Kanagawa, Japan), Satoshi Kimura (Kanagawa, Japan), Koichi Ishida (Tokyo), Tomohiro Takahashi (Kanagawa, Japan), Hiroaki Mihara (Tokyo), Yuhei Oikawa (Tokyo), Takatoshi Nakano (Kanagawa, Japan), Yoshihiro Hamada (Kanagawa, Japan) and Fumi Tanaka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a printing element substrate including an ejection surface provided with a first ejection orifice array in whi...