Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770894 | Prize acquisition game device | Hideki Watanabe | 2010-08-10 |
| 7648142 | Prize acquisition game device | Hideki Watanabe | 2010-01-19 |
| 6176780 | Two-player video game with method of displaying logos and instructions in a manner readable by both players | Masaki Namikoshi | 2001-01-23 |
| 5951009 | Game apparatus | Yutaka Yokoyama, Shigetoshi Mizuno | 1999-09-14 |