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Seoul, KR
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last 30 patents
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Patent Grant
Optical wavelength conversion apparatus and method using injection...
Patent number
7,034,989
Issue date
Apr 25, 2006
Information and Communications University Educational Foundation
Hark Yoo
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
Optical wavelength conversion apparatus and method using injection...
Publication number
20050100267
Publication date
May 12, 2005
Hark Yoo
H01 - BASIC ELECTRIC ELEMENTS