Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961474 | Huffman encoder for encoding/decoding DCT coefficients | Kenji Hirano, Tatsuhiko Murata | 2005-11-01 |
| 6885756 | APPARATUS AND METHOD FOR EMBEDDING WATERMARK INFORMATION IN COMPRESSED IMAGE DATA, AND APPARATUS AND METHOD FOR RETRIEVING WATERMARK INFORMATION FROM COMPRESSED IMAGE DATA HAVING WATERMARK INFORMATION EMBEDDED THEREIN | — | 2005-04-26 |