ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,934, issued on July 21, was assigned to PANASONIC HOUSING SOLUTIONS Co. LTD. (Osaka, Japan).

"Waste identification method, waste identification device, and waste identification program" was invented by Takahiro Kamai (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An excreta identification device includes: a sound data acquisition unit that acquires sound data collected by a microphone arranged in a toilet; an excreta identification unit that identifies which of defecation, urination, and flatulating has been performed by inputting the acquired sound data to an identification model subjected to machine learning where sound data indicati...