Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661289 | Card and card check method | Hiroshi Sasou, Hiromi Chiba | 1997-08-26 |
| 5592400 | Card issue system | Hiroshi Sasou | 1997-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661289 | Card and card check method | Hiroshi Sasou, Hiromi Chiba | 1997-08-26 |
| 5592400 | Card issue system | Hiroshi Sasou | 1997-01-07 |