ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,555, issued on Sept. 23, was assigned to Seiko Epson Corp. (Tokyo).

"Liquid discharge apparatus and storage device" was invented by Makoto Furuhata (Nagano, Japan) and Yasuhiro Hosokawa (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge apparatus includes a storage section including a plurality of walls and storing a liquid in a space surrounded by the plurality of walls, a discharging section that discharges the liquid supplied from the storage section, a first electrode and a second electrode that are provided on a first surface of a first wall among the plurality of walls for detecting a remaining amount of the liqu...