US Patent Issued to MITSUI E&S DU, NIPPON KAIJI KYOKAI, NSK on Feb. 18 for "Vibro-acoustic analysis method and device and equipment-abnormality-location estimation method and device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,475, issued on Feb. 18, was assigned to MITSUI E&S DU Co. LTD. (Aioi, Japan), NIPPON KAIJI KYOKAI (Tokyo) and NSK LTD. (Tokyo).

"Vibro-acoustic analysis method and device and equipment-abnormality-location estimation method and device" was invented by Takashi Fujii (Aioi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In feature value extraction processing step, feature values are extracted from time-series vibroacoustic data in equipment in operation. In machine learning diagnosis step, accumulated are feature values corresponding to normal equipment-operation-state and general measurement data on equipment. Probability distribution model rel...