ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,865, issued on Nov. 18, was assigned to NEC Corp. (Tokyo).

"Failure detection system, failure recovery system, failure detection method, and non-transitory computer readable medium" was invented by Tomotaka Masuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a failure detection system, a failure recovery system, a failure detection method, and a non-transitory computer readable medium that are capable of more easily estimating a degradation location of QoE. A failure detection system (10) is provided with a log collection unit (12) that collects a communication log including communication quality information from a relay device...