US Patent Issued to KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY on May 20 for "Sound absorbing device" (South Korean Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,387, issued on May 20, was assigned to KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (Daejeon, South Korea).

"Sound absorbing device" was invented by Wonju Jeon (Daejeon, South Korea) and Hyeonbin Ryoo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound absorbing device according to an exemplary embodiment of the present invention comprises a plurality of sound absorbing cells arranged adjacent to each other on a plane, and each of the plurality of sound absorbing cells includes: a chamber having a volume therein, and in which a plurality of micro holes is perforated on a front surface in which a sound wave is incident;...