Changwook Lee, Seulki Lee, Sungjae Park, Subin Ryoo, 2018.10.31., 10-2168024, Apparatus and method for analyzing dangerous of flooding or drought using machine-learning. (KOREA)Kangwon University-Industry Cooperation Foundation

Changwook Lee, Prima Riza Kadavi, Sungjae Park, 2018.10.23., 10-2145250, Method and apparatus for landslide susceptibility mapping using machine-learning architecture. (Korea) University-Industry Cooperation Foundation, Kangwon National University

Changwook Lee, Seulki Lee, 2016.07.05., 10-1786729, Method and system for analyzing volcanic activity using magma chamber. (Korea) University-Industry Cooperation Foundation, Kangwon National University

Changwook Lee, Minji Cho, Zhong Lu, Youngjean Choi, 2015.08.25., US 9,117,276 B2, Method and System for Correction of Optical Satellite Image. (USA) Korea Meteorological Administration

Changwook Lee, Seulki Lee, Ki Young Lee, 2015.08.13., 10-1724890, Method and system for analyzing volcanic activity using InSAR and GIS. (Korea) University-Industry Cooperation Foundation, Kangwon National University

Changwook Lee, Ki Yeon Kim, Seulki Lee, Suncheon Park, Youngyun Park, 2015.03.05., 10-1636879, A METHOD OF SEARCHING BENTONITE WITH DATA ON SAR. (Korea) Korea Meteorological Administration

Changwook Lee, Eui Hong Hwang, Seulki Lee, 2014.03.25., 10-1470982, Information Providing System and Method for Volcanic Ash Dispersion. (Korea) Korea Meteorological Administration

Changwook Lee, Ki Yeon Kim, Eui Hong Hwang, Jae Cheol Nam, Yong In Kim, 2014.03.25, 10-2014-0034418, THE INFORMATION FURNISHING SYSTEM USING THREE DIMENSIONAL MAP. (Korea) Korea Meteorological Administration

Changwook Lee, Minji Cho, YoungJean Choi, 2013.03.28., 10-1303730, OPTICAL SATELLITE IMAGERY CORRECTION METHOD AND SYSTEM. (Korea) Korea Meteorological Administration

Hyung Sup Jung, Joong Sun Won, Hong Snag-hun, Changwook Lee, Yoon-kyung Lee, Jeong Won Park, Jung Hyun Chol, Jinah Eom, , 2007.02.22., 10-0850023, METHOD FOR RESTORING DEFECTIVE LINES IN PUSHBROOM IMAGE. (Korea) Yonsei University Office of Research Affairs/University Industry Foundation.

Joong Sun Won, Hyung Sup Jung, Hong Snag-hun, Doo Yeol Park, Changwook Lee, Sang-wan Kim, Sang Sung Kim, 2005.07.20, 10-0529401, Apparatus and method of DEM generation using SyntheticAperture Radar(SAR) data. (Korea) Chung-Ang Aerosurvey Co., LTD.

Sang Sung Kim, Hyung Sup Jung, Sang-wan Kim, Joong Sun Won, Changwook Lee, Han Cheol Jung, 2005.06.15, 10-0520275, METHOD FOR CORRECTING GEOMETRY OF PUSHBROOM IMAGE USING SOLIDBODY ROTATION MODEL. (Korea) Chung-Ang Aerosurvey Co., LTD.