Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975733 | Watermarking of digital images using wavelet and discrete cosine transforms | Jong Won Kim, Jung Suck Cho, Han Ho Lee | 2005-12-13 |
| 6940995 | Method for embedding and extracting text into/from electronic documents | Gi Chul Choi | 2005-09-06 |
| 6839673 | Digital watermarking method and apparatus for audio data | Jung Seok Cho, Jong-Weon Kim | 2005-01-04 |