ALEXANDRIA, Va., March 19 -- United States Patent no. D1,067,212, issued on March 18, was assigned to YAMAHA Corp. (Hamamatsu, Japan).
"Speaker" was invented by Yves Plattard (Hamamatsu, Japan) and Masafumi Ito (Hamamatsu, Japan).
The patent was filed on May 26, 2023, under Application No. D/893,248.
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