Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900929 | Prize acquisition game device | — | 2011-03-08 |
| 7731199 | Prize acquisition game apparatus | Mitsuharu Fukazawa, Takashi Yamamoto | 2010-06-08 |
| 7635131 | Prize acquiring game apparatus | Mitsuharu Fukazawa, Takashi Yamamoto | 2009-12-22 |