Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970575 | Method of extracting digital watermark information and method of judging bit value of digital watermark information | Isao Echizen, Hiroshi Yoshiura, Kousuke Anzai | 2005-11-29 |
| 6959101 | Method of judging digital watermark information | Hiroshi Yoshiura, Kousuke Anzai | 2005-10-25 |