10-2020-0093912 (2020.07.28) / 10-2255888 (2021.05.18)
10-2020-0085823 (2020.07.13) / 10-2317649 (2021.10.20)
10-2020-0051564 (2020.04.28) / 10-2168967 (2020.10.16)
10-2018-0128230 (2018.10.25) / 10-1952802 (2019.02.21)
10-2015-0153881 (2015.11.03) / 10-1611507 (2016.04.04)
10-2014-0095520 (2014.07.28) / 10-1721247 (2017.03.23)
201310157758.1 (2013.05.02) / ZL201310157758.1 (2016.01.20)
10-2012-0060700 (2012.06.07) / 10-1383159 (2014.04.02)
10-2011-0131165 (2011.12.08) / 10-1295082 (2013.08.05)
10-2011-0096497 (2011.09.23) / 10-1277786 (2013.06.17)