ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,527, issued on Oct. 28, was assigned to NEC Corp. (Tokyo).
"Lung sound analysis system" was invented by Masao Higuchi (Tokyo), Mitsuru Noma (Tokyo), Reishi Kondo (Tokyo) and Yumi Arai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lung sound analysis system includes an acquisition means for acquiring time-series acoustic signals including lung sounds of a subject who is a heart failure patient, a determination means for determining a pause phase of breathing of the subject, a dividing means for dividing the time-series acoustic signals into those in a period of the pause phase of breathing of the subject and those in a period other than the...