ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,505, issued on July 7, was assigned to Ricoh Co. Ltd. (Tokyo).

"Liquid discharge apparatus and liquid discharge method" was invented by Hiroaki Fukuda (Kanagawa, Japan), Dai Kurabayashi (Kanagawa, Japan), Paru Kondo (Kanagawa, Japan) and Takuroh Sawada (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge apparatus includes a conveyor, a liquid discharge unit, a reader, and circuitry. The conveyor conveys a recording medium in a conveyance direction. The liquid discharge unit forms an image on the recording medium. The reader reads the image. The circuitry causes the liquid discharge unit to form a mark image on the recor...