ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,249, issued on July 28, was assigned to CANON K.K. (Tokyo).

"Image forming apparatus for creating image forming condition" was invented by Masami Hano (Chiba, Japan), Masahiko Mizoguchi (Kanagawa, Japan), Keita Hidaka (Ibaraki, Japan) and Hiromi Shimura (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus forms an image on a sheet and includes an image forming unit to acquire image data and form an image, a sensor detects a pattern image formed by the image forming unit, and a controller controls the image forming unit to form a first pattern image of a first number of tone levels, executes a first calibration fo...