Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836566 | System for pointing | — | 2004-12-28 |
| 6782509 | Method and system for embedding information in document | Tomio Amano, Shuichi Shimizu, Norishige Morimoto | 2004-08-24 |
| 6751509 | Method for access control of aggregated data | — | 2004-06-15 |