ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,786,689, issued on Nov. 3, was assigned to SORACOM INC. (Tokyo).

"Apparatus and method for diagnosing condition of communication service" was invented by Naoki Mikuni (Tokyo) and Kazuki Nakanishi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus receives, from a user terminal of a user using a SIM provided by a carrier having a communication infrastructure, a diagnosis request with respect to the SIM. In accordance with the diagnosis request, the apparatus, with respect to one or a plurality of instances included in the communication infrastructure, transmits an acquisition request for condition information concerning the condition of a ...