Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822757 | Color transformation method, color transformation program, and recording medium recorded a color transformation program | Shin Nakata | 2004-11-23 |
| 6785814 | Information embedding method and apparatus | Wataru Ito, Akira Yoda | 2004-08-31 |