ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,358, issued on June 10, was assigned to TSUNAGARU DESIGN Inc. (Tokyo).
"Sound leakage suppression apparatus" was invented by Gorouemon Otsuka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound leakage suppression apparatus for suppressing sound produced in a room from leaking outside thereof, includes a microphone, a display, and a processor configured to acquire information indicating sound insulation property of the room, based on the acquired information, determine a maximum volume level of sound that is permitted for each of a plurality of predetermined frequencies, control the microphone to collect sound produced in the room at a fir...