USA
Jinchul Choi and et al., “Smart terminal and method for collection data subscription”, USA, Nov. 2014(14/539647)
Korea
Jinchul Choi and et al., “System for providing indoor route and method thereof,” 10-2016-0000872, Jan. 2016.
Jinchul Choi and et al., “Smart terminal and method for collection data subscription,” 10-2014-0139310, Oct. 2014.
Jinchul Choi and et al., “System architecture and mechanism for subscription data collected from a device attached to smart terminal,” 10-2013-0140905, Nov. 2013.