10-2017-0169154 (2017.12.11) / 10-1992279 (2019.06.18)
2017-549157 (2017.09.19) / 6359203 (2018.06.29)
10-2015-0153899 (2015.11.03) / 10-1643964 (2016.07.25)
토질및기초기술사회 2014 가을기술발표회, pp.1 - 53, 2014
201310157758.1 (2013.05.02) / ZL201310157758.1 (2016.01.20)
10-2012-0060700 (2012.06.07) / 10-1383159 (2014.04.02)
10-2012-0046154 (2012.05.02) / 10-1320689 (2013.10.14)