Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135224 | Pattern matching game machine of prepaid card system | Hiroshi Yamamoto | 1992-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135224 | Pattern matching game machine of prepaid card system | Hiroshi Yamamoto | 1992-08-04 |