Yoon Ha Ahn

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Anyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Password security input system using shift value of password key an...
- Patent number 8,826,406
- Issue date Sep 2, 2014
- Kyu Choul Ahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PASSWORD SECURITY INPUT SYSTEM USING SHIFT VALUE OF PASSWORD KEY AN...
- Publication number 20130047237
- Publication date Feb 21, 2013
- Kyu Choul Ahn
- G06 - COMPUTING CALCULATING COUNTING