Chabum Lee

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Gwangju, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for measuring motion error of linear stage
- Patent number 8,687,200
- Issue date Apr 1, 2014
- Gwangju Institute of Science and Technology
- Sun-Kyu Lee
- G01 - MEASURING TESTING
Information Patent Grant
Light-condensing device and method of fabricating the same
- Patent number 8,176,912
- Issue date May 15, 2012
- Gwangju Institute of Science and Technology
- ChaBum Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR MEASURING MOTION ERROR OF LINEAR STAGE
- Publication number 20120314220
- Publication date Dec 13, 2012
- Gwangju Institute of Science and Technology
- Sun-Kyu LEE
- G01 - MEASURING TESTING
Information Patent Application
LIGHT-CONDENSING DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20090225423
- Publication date Sep 10, 2009
- Gwangju Institute of Science and Technology
- Chabum Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL