Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968455 | Method of referring to digital watermark information embedded in a mark image | Satoe Okayasu, Hiroshi Asakai | 2005-11-22 |
| 6850624 | Data embedding apparatus, data extracting apparatus, and method therefor, and recording medium having such methods recorded thereon | Nobuharu Miura, Yoh Miyamoto | 2005-02-01 |