Card payment system, server, and method capable of setting payment amounts
KR20200020442A
Card settlement system, server and method that allows to set the payment amount
KR20200010761A
System and method for generating security code or virtual account
KR20190120533A
Mobile payment service method and system for preventing personal information leakage, duplicate payment, overpayment or settlement error by inputting a payment amount by a user directly and paying a one-time payment security code generated by a financial institution in on/offline transaction
KR101830587B1
Sewing apparatus with slip preventing function of fabric
KR101846422B1
Clothing recommendation system considering individual characteristics and preferences
KR20170108473A
Automatic search and divide apparatus for mobile app using icon category of customizing
KR20170108472A
Advertisement transmission method and system using Standby mode display of Smartphone
KR20120118391A
Roller comprising blocking part
KR20100007338A
A penis temp ring unit
KR20050091624A
A two faces rotation advertisement panel
KR20060087310A
A rotation signboard
KR20060087309A
A rotation advertisement panel
KR20060053477A
Method and system for storing image information
KR20050117593A
Detection method of genetic recombinant food and detection kit of that