ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,884, issued on May 26, was assigned to Canon K.K. (Tokyo).

"Ink jet recording method and ink jet recording apparatus" was invented by Aiko Masada (Tokyo), Kazuhiko Araki (Kanagawa, Japan) and Yuki Nishino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ink jet recording method capable of recording a high-quality image in which a shift in color tone of a secondary color image recorded with a plurality of inks through use of a circulation serial head is reduced. The ink jet recording method includes recording an image by ejecting an ink from a recording head including: a plurality of ejection orifices; an ejection element; and a fi...