ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,427, issued on April 8, was assigned to Canon K.K. (Tokyo).

"Notification sending apparatus, notification receiving apparatus, notification delivery system including these, and notification sending method" was invented by Yuhei Yoshimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A notification sending apparatus comprising: a self notification identifier attaching unit configured to attach a self notification identifier to each notification, the self notification identifier having at least a sending ordinal position identification function; a sent notification identifier attaching unit configured to attach, to each notification, the self ...