ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,066, issued on June 3, was assigned to Canon K.K. (Tokyo).

"Liquid storage unit and liquid ejection apparatus" was invented by Yuki Kozuka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a liquid storage unit capable of suppressing damage to a gusset portion. The liquid storage unit has a liquid storage portion internally storing liquid, a gusset portion formed along the liquid storage portion and at which a lateral face unit of the liquid storage portion is folded toward the inside of the liquid storage portion, and a stopper unit configured to suppress a bend likely to occur at the gusset portion by coming into contact...