Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015834 | Information card system communicable in contactless manner | Tadato Suzuki, Yoshikazu Yorimoto, Seiji Hirano | 1991-05-14 |
| 4908038 | High-security integrated-circuit card | Yoshikazu Yorimoto | 1990-03-13 |