US Patent Issued to Canon on July 1 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,999, issued on July 1, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and liquid ejection apparatus" was invented by Kazuhiro Yamada (Yokohama, Japan), Yoshiyuki Nakagawa (Kawasaki, Japan), Toru Nakakubo (Kawasaki, Japan), Ryo Kasai (Tokyo) and Takuro Yamazaki (Inagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a print element substrate including multiple ejection openings, pressure chambers, a common flow path, and pumps, the pumps being configured to circulate liquid between the common flow path and the pressure chamber; and a flow path member laminated to the print element substrate. The flow pat...