ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,450, issued on Nov. 18, was assigned to IDEMIA FRANCE (Courbevoie, France).
"Mobile payment roaming" was invented by Oleg Makhotin (Courbevoie, France) and Mehdi El-Haoussine (Courbevoie, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method implemented by a system (S1) comprising a first server (H-TSP) of a home token service provider and a second server (R-TSP) of a roaming token service provider, the method comprising: receiving (S86), by the second server, a roaming token (R-PAN) allocated to a mobile payment card (C1) for operating in a roaming banking network (R-NT); obtaining (S88), by the second server, base...