ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,926, issued on March 18, was assigned to Visa International Service Association (San Francisco).

"Simulator application on mobile device for integration testing" was invented by Yuexi Chen (Foster City, Calif.), Marc Kekicheff (Foster City, Calif.), Christian Aabye (Redwood City, Calif.) and Alexandre Pierre (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for performing efficient integration tests on mobile device for contactless data transfers are described. Rather than performing contactless communications with a variety of test user devices (e.g., test smart cards), which may be time consuming and may presen...