Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983101 | Image recording apparatus, image reproducing apparatus and image recording/reproducing apparatus | Yukio Sugimura, Yoshiaki Maida | 2006-01-03 |
| 6643451 | Image data alteration preventing apparatus and alteration preventing method | Shiro Suzuki | 2003-11-04 |