Inventor

HAN BYOUNG-JIN

KR2 patents

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

KOREA INTERNET & SECURITY AGENCY

1 patent

US8375428B2Feb 12, 2013

Password input system using alphanumeric matrices and password input method using the same

KOREA INTERNET & SECURITY AGENCY17 citations76

LEE CHUL-WOO

1 patent

US8893233B2Nov 18, 2014

Referer verification apparatus and method

LEE CHUL-WOO3 citations59