Inventor
KANG JUNGYOUN
KR5 patents
Patents
5 patentsUS10448141B2Oct 15, 2019
Earphone
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US9918155B2Mar 13, 2018
Portable sound equipment
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US10433061B2Oct 1, 2019
Ear unit and portable sound device
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US10063955B2Aug 28, 2018
Portable electronic equipment
LG ELECTRONICS INC1 citations48
US10034074B2Jul 24, 2018
Portable sound equipment
LG ELECTRONICS INC0 citations48