ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,904, issued on June 2, was assigned to CANON K.K. (Tokyo).

"Image forming apparatus for controlling density of image to be formed and detected, controller for whether first and second calibrations are executed based on predicted desnsity and environment condition" was invented by Yuya Ohta (Chiba, Japan), Hiromi Shimura (Ibaraki, Japan) and Koji Yumoto (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes: an image forming unit configured to form an image on a sheet based on an image forming condition; an image carrier; a sensor configured to measure a measurement image on the image carrier; a prediction u...