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Se-Eun Cheon
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Seoul, KR
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last 30 patents
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Patent Grant
Method for permitting and blocking use of internet by detecting plu...
Patent number
8,230,007
Issue date
Jul 24, 2012
Plustech Inc.
Yun-Seok Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
METHOD FOR PERMITTING AND BLOCKING USE OF INTERNET BY DETECTING PLU...
Publication number
20100274799
Publication date
Oct 28, 2010
Yun-Seok Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE