Inventor

CHOI HYUN IL

KR3 patents

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

KEYZAP INC

2 patents

US7258267B2Aug 21, 2007

Wireless banking system and wireless banking method using mobile phones

KEYZAP INC31 citations85

US7336974B2Feb 26, 2008

System and method for pin blocking on terminal for mobile finance

KEYZAP INC7 citations66

YOON JEONG-HWAN

1 patent

US8144200B2Mar 27, 2012

Testing apparatus of liquid crystal display module

YOON JEONG-HWAN3 citations50