Application No.: 2-2012-000025
"Sweepstakes Ticket with Multi-Functional Features"

Registration No.: 2-2008-000123
"In-line Process of Securing a Scratch Card"

Registration No.: 2-2006-000122
"Prepaid Card with Game"

Registration No.: 2-2006-000422
"A Method of Recording Content Downloads Made Through a Content Provider's Agent"

Registration No.: 2-2006-000422
"A Method of Subscribing Personalized Downloads From a Content Provider Through a Service Network"

Registration No.: 2-2006-000162
"Apparatus to Verify the Opacity of a Prepaid Card"

Registration No.: 2-2005-000161
"A Perforated Card"

Registration No.: 2-2002-000515
"Process of Securing a Scratch Card"

Registration No.: 2-2005-000160
"Method of Securing Personal Identification Number (PIN) on Prepaid Cards with Double Scratch-off Coating"

Registration No.: 2-2006-000262
"A System of Sending Personalized Messages from Content Provider Through a Service Network"