Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980950 | Game machine and method with changing game field | Sakae Osumi, Akinori Nishiyama | 2011-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980950 | Game machine and method with changing game field | Sakae Osumi, Akinori Nishiyama | 2011-07-19 |