US Patent Issued to Canon on Sept. 1 for "Liquid ejection apparatus and method of controlling the same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,381, issued on Sept. 1, was assigned to Canon K.K. (Tokyo).

"Liquid ejection apparatus and method of controlling the same" was invented by Akira Goto (Kanagawa, Japan) and Keiji Tomizawa (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection apparatus that includes a cartridge containing liquid and a heat resistor generating heat to eject the liquid and that forms an electric field by a first electrode, which is a part of a protective layer protecting a surface of the heat resistor, and a second electrode corresponding to the first electrode with the liquid interposed therebetween, includes: a reading unit that reads cartr...