Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7251501 | Mobile phone communications system with increased functionality | — | 2007-07-31 |
| 6173897 | Universal card interface module for contact free cards | — | 2001-01-16 |
| 5734722 | Electronic travel pass | — | 1998-03-31 |
| 4906828 | Electronic money purse and fund transfer system | — | 1990-03-06 |
| 4877950 | Electronic purse-device | — | 1989-10-31 |
| 4859837 | Portable data carrier incorporating manually presettable processing modes | — | 1989-08-22 |
| 4661691 | Proximity data transfer system | — | 1987-04-28 |
| 4499556 | Security arrangements in data transfer equipment | — | 1985-02-12 |