Woo-Seok Chang

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Kuri, KR

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Patents Grantslast 30 patents

Information Patent Grant
User authenticating system and method using one-time fingerprint te...
- Patent number 7,035,442
- Issue date Apr 25, 2006
- SecuGen Corporation
- Tai-Dong Ha
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
User authenticating system and method using one-time fingerprint te...
- Publication number 20030152254
- Publication date Aug 14, 2003
- Tai-Dong Ha
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of providing user interface via web
- Publication number 20030085917
- Publication date May 8, 2003
- Woo-Seok Chang
- G06 - COMPUTING CALCULATING COUNTING