ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,957, issued on Jan. 13, was assigned to CANON K.K. (Tokyo).

"Image processing apparatus capable of performing printing with decoloring toner, method of controlling image processing apparatus, and storage medium" was invented by Masahiro Kajimoto (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image processing apparatus that is capable of performing image formation on recording sheets, by switchingly using decoloring toner and normal toner. The number of sheets printed with the decoloring toner and the number of sheets printed with the normal toner are counted with respect to the recording sheets on a user-by-user basis. A use ratio o...