Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367149 | IC card and method of checking personal identification number of the same | — | 1994-11-22 |
| 5337063 | Antenna circuit for non-contact IC card and method of manufacturing the same | — | 1994-08-09 |
| 5321240 | Non-contact IC card | — | 1994-06-14 |
| 5286962 | IC card for prevention of fraudulent use | Shuzo Fujioka | 1994-02-15 |