ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,190, issued on Nov. 11, was assigned to Canon K.K. (Tokyo).
"Inkjet printing apparatus and ink tank" was invented by Yuta Araki (Ichikawa, Japan), Kosuke Umehara (Kawasaki, Japan) and Koki Shimada (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet printing apparatus includes an ink tank that contains an ink to be supplied to a printing head that ejects the ink, the ink being injected from an ink bottle. The inkjet printing apparatus further includes an injection assistance member including a first passage and a second passage. The first passage is defined by a first upper end portion opening toward the outside of the ink tank ...