Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7024558 | Apparatus and method for authenticating digital signatures and computer-readable recording medium thereof | — | 2006-04-04 |
| 6415039 | Image data merging system | Naotake Uraki | 2002-07-02 |