ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,844, issued on March 25, was assigned to Canon K.K. (Tokyo).

"Liquid storage container" was invented by Hiroaki Kusano (Tokyo), Junichiro Iri (Kanagawa, Japan), Yusuke Hashimoto (Kanagawa, Japan), Tomohisa Atsuta (Tokyo) and Masatomo Ojima (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid storage container includes a liquid absorber to absorb and hold a liquid, a storage portion storing the liquid absorber, a lid member having ribs, an air communication port provided in the lid member, and a liquid holding path. The storage portion has an opening facing a first surface of the liquid absorber and to be covered by the lid member...