ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,552, issued on Aug. 26, was assigned to Canon K.K. (Tokyo).
"Liquid ejection head" was invented by Takuro Yamazaki (Tokyo), Yoshiyuki Nakagawa (Kanagawa, Japan), Akiko Hammura (Tokyo) and Atsushi Teranishi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a plurality of nozzles arranged along a first direction of an ejection surface, a plurality of pressure chambers communicating with the plurality of individual nozzles and provided with actuators configured to apply, to a liquid, pressures for ejecting the liquid from the nozzles, a plurality of discrete flow paths communicating with the plurality of in...