ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,511, issued on Nov. 11, was assigned to KOTOBUKIYA FRONTE Co. LTD. (Japan).
"Damping material" was invented by Kazuki Fukui (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a vibration damping material capable of exhibiting excellent vibration damping performance and of reducing its own weight while having high rigidity. The vibration damping material of the present invention used so as to be installed on a panel 300 of a vehicle includes a viscoelastic layer 200 and a constraining layer 100 provided on one surface of the viscoelastic layer 200, wherein a relationship between a strain Epsilona and a strain Epsilonb is...