Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850519 | Game machine | Keiri Yoshioka | 2010-12-14 |
| 7624985 | Reel assembly and gaming machine comprising the same | Masayuki Seto | 2009-12-01 |
| 6231446 | Panel mounting apparatus for game machine and game machine using the same | Hachitaro Sato | 2001-05-15 |
| 6201703 | Security cage for game machine and game machine using the same | Norifumi Yamada, Naoto Shirai, Kazuhiro Kusuda | 2001-03-13 |
| 6173594 | Locking apparatus for use in game machine | — | 2001-01-16 |
| 5993317 | Apparatus for holding slip verification unit in a game machine and game machine incorporating the same | — | 1999-11-30 |
| 5755619 | Bingo game machine | Kusuo Matsumoto | 1998-05-26 |
| 5639089 | Bingo game machine having a rotatable roulette unit which catches balls for randomly selecting bingo signs | Kusuo Matsumoto | 1997-06-17 |