Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128605 | Apparatus for data copyright management system | Makoto Saito | 2000-10-03 |
| 6097816 | Crypt key system | Makoto Saito | 2000-08-01 |
| 6069952 | Data copyright management system | Makoto Saito | 2000-05-30 |