ALEXANDRIA, Va., July 16 -- United States Patent no. D1,083,875, issued on July 15, was assigned to NTT sonority Inc. (Tokyo).
"Earphone" was invented by Shintaro Takeuchi (Tokyo), Hiroaki Sato (Tokyo) and Jun Iwase (Tokyo).
The patent was filed on July 5, 2023, under Application No. D/896,537.
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