ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,846, issued on March 25, was assigned to Canon K.K. (Tokyo).
"Liquid storage container" was invented by Keisuke Kouno (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a liquid storage container comprising: a liquid reservoir reserving a liquid; an air communication passage for communicating the liquid reservoir with an atmosphere; a partition wall separating an inside and outside of the liquid reservoir; a through hole penetrating the partition wall in a first direction; a movable support member capable of moving in the through hole in the first direction; a first seal member disposed in the liquid reservoir and fixed to...