ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,766, issued on Feb. 24, was assigned to NTT sonority Inc. (Tokyo).
"Headphone" was invented by Shintaro Takeuchi (Tokyo), Jun Iwase (Tokyo), Hiroaki Sato (Tokyo) and Takuto Takizawa (Tokyo).
The patent was filed on March 13, 2024, under Application No. D/932,402.
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