Kwang Uk Chu

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Taejun, KR

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatuses to provide a wavelength division-multiplexi...
- Patent number 7,646,978
- Issue date Jan 12, 2010
- Novera Optics, INC
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatuses and methods for automatic wavelength locking of an opti...
- Patent number 7,593,647
- Issue date Sep 22, 2009
- Novera Optics, INC
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-division-multiplexing passive optical network utilizing...
- Patent number 7,469,102
- Issue date Dec 23, 2008
- Novera Optics, INC
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for decreasing and compensating the transmission loss at a w...
- Patent number 7,171,123
- Issue date Jan 30, 2007
- Korea Advanced Institute of Science and Technology
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for measuring optical signal-to-noise ratio
- Patent number 6,671,045
- Issue date Dec 30, 2003
- Korea Advanced Institute of Science and Technology
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for measuring the wavelength, optical power and optical s...
- Patent number 6,396,574
- Issue date May 28, 2002
- Korea Advanced Institute Science and Technology
- Chang Hee Lee
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Apparatuses and methods for automatic wavelength locking of an opti...
- Publication number 20060045542
- Publication date Mar 2, 2006
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength-division-multiplexing passive optical network utilizing...
- Publication number 20050286895
- Publication date Dec 29, 2005
- NOVERA OPTICS, INC.
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and apparatuses to provide a wavelength division-multiplexi...
- Publication number 20050163503
- Publication date Jul 28, 2005
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for decreasing and compensating the transmission loss at a w...
- Publication number 20030142978
- Publication date Jul 31, 2003
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE