ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,959, issued on Aug. 26, was assigned to TOYOTA JIDOSHA K.K. (Toyota Aichi-ken, Japan).

"Abnormal sound diagnosis system" was invented by Yu Ueda (Toyota Aichi-ken, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An abnormal sound diagnosis system includes a sound acquisition unit configured to acquire data of a sound generated from an object, an inquiry information acquisition unit configured to acquire inquiry information regarding an abnormal sound generated in the object, an arithmetic processing unit configured to acquire a spectrogram indicating a relationship among a time, a frequency, and sound pressure from the data of the sound, an ext...