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Holding of Patents

Holding of Patents
No. Title of the invention Patent number Filing date Registration date
1 Method to handle IDs and passwords of Internet sites 10-0354784 1999-12-30 2002-09-17
2 Method for precisely car navigation guide andpreceding guide by using GPS and intervals inducingcoordinates 10-0522256 2003-09-19 2005-10-11
3 Recording medium of contents file combined with viewer, transmission system of contents file combined with viewer and transmission method thereof 10-0601912 2004-04-13 2006-07-10
4 Distributed file management system in web storage and the method thereof 10-0719285 2005-03-30 2007-05-11
5 The method of inserting URL link information in JPEG image file, the recording media stroing the program performing this method, website delivering this program and JPEG image file inserted URL link information 10-0753341 2007-06-22 2007-08-23
6 The method of inserting URL link information in JPEG image file, the recording media stroing the program performing this method, website delivering this program and JPEG image file inserted URL link information 10-0804131 2005-12-22 2008-02-11
7 Advertisement system using utility program and method the same 10-0766056 2005-10-29 2007-10-04
8 Terminal for searching the words thourgh the internet and words provision system through the internet 10-0887602 2007-07-06 2009-03-02
9 File uploading method with function of abstracting index-information in real-time and web-storage system using the same 10-0905434 2008-08-08 2009-06-24
10 Method and system for defending DDoS attack 10-0908404 2008-09-04 2009-07-13
11 Method and apparatus for file compression and restoration of compression format 10-0938277 2007-12-24 2010-01-14
12 AUTOMATIC VERIFICATION SYSTEM FOR COMPUTER VIRUS VACCINE DATABASE AND METHOD THEREOF 10-0996839 2010-04-14 2010-11-22
13 SECURITY METHOD USING VIRTUAL KEYBOARD 10-0996955 2008-08-22 2010-11-22
14 Forward compatibility guaranteed data compression and decompression method and apparatus thereof 10-1016776 2009-09-21 2011-02-15
15 A CLOUD SYSTEM AND A METHOD OF COMPRESSING AND TRANSMITTING FILES IN A CLOUD SYSTEM 10-1035302 2010-10-11 2011-05-11
16 DATA COMPRESSION METHOD 10-1049699 2009-07-17 2011-07-11
17 METHOD AND APPARATUS FOR COMPRESSING AND DECOMPRESSING BLOCK UNIT DATA 10-1074010 2009-09-04 2011-10-10