ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,424, issued on July 15, was assigned to Mitsubishi Chemical Corp. (Tokyo).

"Sound insulating structure" was invented by Naoyuki Uchida (Tokyo), Kazuma Inoue (Tokyo) and Masanari Nakayama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention addresses the problem of providing a sound insulating structure which provides a sufficient sound insulating effect even when an adhesive layer is arranged therein, and in which a shift in the frequency band where the sound insulating effect is generated is unlikely to occur. This sound insulating structure includes, at least: a sound insulating member that includes a sheet-like sheet sectio...