Issued Patents 2011
Showing 1–3 of 3 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 |