US Patent Issued to Canon on Jan. 20 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,291, issued on Jan. 20, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and liquid ejection apparatus" was invented by Akiko Hammura (Tokyo), Yoshiyuki Nakagawa (Kanagawa, Japan), Takuro Yamazaki (Tokyo) and Atsushi Teranishi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes: an array of ejection ports; pressure chambers corresponding respectively to and communicating with the ejection ports; individual supply channels and individual collection channels communicating with the chambers; a common supply channel communicating with surfaces of the individual supply channels opposite to surfaces the...