Inventor

RYU HO-IL

KR2 patents

Patents

2 patents

US10091004B2Oct 2, 2018

Large-scale simultaneous digital signature service system based on hash function and method thereof

MARKANY INC6 citations65

US9819494B2Nov 14, 2017

Digital signature service system based on hash function and method thereof

MARKANY INC3 citations64