ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,378, issued on Aug. 19, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Image processing method and image processing apparatus" was invented by Kazunori Tanaka (Osaka, Japan), Takuya Miyamoto (Osaka, Japan), Koji Sato (Osaka, Japan), Rui Hamabe (Osaka, Japan) and Kanako Morimoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to determine the cause of an image defect that occurs in an image forming device with high accuracy while suppressing the amount of calculation at a processor. A processor (80) determines the cause of an image defect on the basis of a test image read from an ou...