ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,392, issued on Oct. 14, was assigned to YAMAHA Corp. (Hamamatsu, Japan).
"Tone plate and percussion instrument" was invented by Yuichi Tadano (Hamamatsu, Japan), Ayumi Irisa (Hamamatsu, Japan), Kazuki Soga (Hamamatsu, Japan), Junnosuke Kaseda (Hamamatsu, Japan), Hisaaki Mukai (Hamamatsu, Japan), Eri Hirai (Hamamatsu, Japan) and Ichiro Osuga (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a tone plate that can be increased in strength and that can produce the original sound of the material. A tone plate 10 according to an aspect of the present invention includes: a surface layer 1 havi...