US Patent Issued to Mitsubishi Chemical on April 22 for "Sound insulation sheet member and sound insulation structure using same" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,470, issued on April 22, was assigned to Mitsubishi Chemical Corp. (Tokyo).

"Sound insulation sheet member and sound insulation structure using same" was invented by Shogo Koga (Chiyoda-ku, Japan) and Shuichi Akasaka (Meguro-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a structural body that has high vibration damping and high sound-insulating performance which exceeds mass law while being relatively light weight, that is highly flexible in design, excellent in versatility, and easy to manufacture so that productivity and economic efficiency can be improved. The object thereof is achieved w...