ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,154, issued on Feb. 17, was assigned to Canon K.K. (Tokyo).
"Liquid discharge apparatus and control method thereof" was invented by Hiroyuki Nagayama (Kanagawa, Japan), Yuzuru Ishida (Kanagawa, Japan) and Koichi Omata (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge apparatus includes a liquid discharge head having a discharge port, a liquid chamber that communicates with the discharge port, a heat generating resistor provided in the liquid chamber, and a first electrode and a second electrode provided in the liquid chamber; and a control unit that controls potential to the first electrode and the second electrode, ...