ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,640, issued on Sept. 23, was assigned to RISO KAGAKU Corp. (Tokyo).

"Delivery item information management system, method, apparatus, and program for managing delivery item information, and printing apparatus" was invented by Yoshiyuki Okada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A delivery information management system includes: a printing apparatus that prints unique identification information related to a delivery item, a memory unit that stores identification information and information related to delivery associated with each other, a plurality of reading units that read the identification information at a plurality of locations ...