Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306538 | Portable information device | Asao Saitoh, Yuichi Kato, Shizuo Yamaguchi | 2001-10-23 |
| D410913 | LC card | Asao Saito, Yuichi Kato | 1999-06-15 |
| D405441 | IC card | Asao Saito, Yuichi Kato | 1999-02-09 |