ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,671, issued on May 27, was assigned to SEIKO EPSON Corp. (Tokyo).
"Cartridge, printing system, and printing apparatus" was invented by Takumi Nagashima (Matsumoto, Japan), Yoshihiro Koizumi (Shiojiri, Japan) and Shun Oya (Kiso-machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amount of liquid that will be left in a cartridge without being consumed is reduced. The cartridge includes a liquid containing portion that contains the liquid; a front wall that is located on an insertion-direction side, an insertion direction being a direction of being inserted into the cartridge mounting portion; and a bottom wall that intersects the front wall...