Nak Hyoun Sung

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Kongju, KR

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Patents Grantslast 30 patents

Information Patent Grant
Mode-filtering and mode-selecting method in multi-mode waveguide, a...
- Patent number 6,931,187
- Issue date Aug 16, 2005
- Kwangju Institute of Science and Technology
- Duck Young Kim
- G02 - OPTICS
Information Patent Grant
Apparatus for and method of measuring thickness of materials using...
- Patent number 6,721,058
- Issue date Apr 13, 2004
- Kwangju Institute of Science and Technology
- Duck-Young Kim
- G01 - MEASURING TESTING
Information Patent Grant
Figure-8 optical fiber pulse laser using a dispersion imbalanced no...
- Patent number 6,636,674
- Issue date Oct 21, 2003
- Kwangju Institute of Science and Technology
- Duck Young Kim
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mode-filtering and mode-selecting method in multi-mode waveguide, a...
- Publication number 20040114893
- Publication date Jun 17, 2004
- Duck Young Kim
- G02 - OPTICS
Information Patent Application
Apparatus for and method of measuring thickness of materials using...
- Publication number 20030038951
- Publication date Feb 27, 2003
- KWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY of KOREA
- Duck-Young Kim
- G01 - MEASURING TESTING
Information Patent Application
Figure-8 optical fiber pulse laser using a dispersion imbalanced no...
- Publication number 20020106171
- Publication date Aug 8, 2002
- Duck Young Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and method for measuring refractive index profile of opti...
- Publication number 20020048016
- Publication date Apr 25, 2002
- Duck Young Kim
- G01 - MEASURING TESTING