Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604679 | Payment management method and system using an IC card | Yoshitsugu Morooka, Masatoshi Hino | 2003-08-12 |
| 6488204 | Payment management method and system using an IC card | Yoshitsugu Morooka, Masatoshi Hino | 2002-12-03 |