Inventor

NA YONGHYUK

KR4 patents

Patents

4 patents

US10448141B2Oct 15, 2019

Earphone

LG ELECTRONICS INC5 citations69

US12149877B2Nov 19, 2024

Sound device

LG ELECTRONICS INC4 citations68

US10785556B2Sep 22, 2020

Earphone with a pipeline damper

LG ELECTRONICS INC2 citations68

US10433061B2Oct 1, 2019

Ear unit and portable sound device

LG ELECTRONICS INC0 citations48