Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42171 | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | Myeong-Joon Kang, Han Jung | 2011-02-22 |
| RE42106 | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | Myeong-Joon Kang, Han Jung | 2011-02-01 |
| RE42107 | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | Myeong-Joon Kang, Han Jung | 2011-02-01 |
| RE41942 | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | Myeong-Joon Kang, Han Jung | 2010-11-16 |
| 7130426 | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | Myeong-Joon Kang, Han Jung | 2006-10-31 |