Inventor

RYU GUNG-SEON

KR2 patents

⚠️ This page may combine multiple inventors who share the name “RYU GUNG-SEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RYU GUNG-SEON

1 patent

US8180686B2May 15, 2012

Multi-step authentication-based electronic payment method using mobile terminal

RYU GUNG-SEON56 citations87

DANAL CO LTD

1 patent

US8352329B2Jan 8, 2013

Method and system for providing international electronic payment service using mobile phone authentication

DANAL CO LTD3 citations44