US Patent Issued to Mitsubishi Chemical on May 5 for "Sound-blocking sheet member, sound-blocking structure using same, and method for manufacturing sound-blocking sheet member" (Japanese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,384, issued on May 5, was assigned to Mitsubishi Chemical Corp. (Tokyo).

"Sound-blocking sheet member, sound-blocking structure using same, and method for manufacturing sound-blocking sheet member" was invented by Katsuhiko Sugiura (Tokyo), Shogo Koga (Tokyo), Naoyuki Uchida (Tokyo), Kazuma Inoue (Tokyo), Yukio Kato (Tokyo), Kohji Uehara (Tokyo) and Masashi Miura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a resonator that is relatively lightweight, has high sound-blocking performance overwhelming the law of mass action, and is excellent in terms of manufacturability and durability. The resona...