Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882477 | Card-shaped electronic apparatus with embossed surface and method of producing same | Yoshinori Oogita | 1989-11-21 |
| 4843223 | Information processing device for IC card | — | 1989-06-27 |
| 4825283 | IC card | — | 1989-04-25 |