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Joon-Hyuk Chang
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Incheon, KR
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Patents Grants
last 30 patents
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Patent Grant
Audio signal quality measurement in mobile device
Patent number
9,729,602
Issue date
Aug 8, 2017
Inha-Industry Partnership Institute
Joon-Hyuk Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio signal quality measurement in mobile device
Patent number
9,300,694
Issue date
Mar 29, 2016
Inha-Industry Partnership Institute
Joon-Hyuk Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
AUDIO SIGNAL QUALITY MEASUREMENT IN MOBILE DEVICE
Publication number
20160156692
Publication date
Jun 2, 2016
INHA-INDUSTRY PARTNERSHIP INSTITUTE
Joon-Hyuk Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO SIGNAL QUALITY MEASUREMENT IN MOBILE DEVICE
Publication number
20120177207
Publication date
Jul 12, 2012
INHA-INDUSTRY PARTNERSHIP INSTITUTE
Joon-Hyuk Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE