Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839435 | Ranking display method for game machine | Tsuyoshi Iijima, Eiichi Saita | 2005-01-04 |
| 6832954 | Photographing game machine, photographing game processing method and information storage medium | Yoshihiko Kaneko, Yasuhiro Wakatsuki | 2004-12-21 |
| 6568380 | Medal game machine | Shinya Niwa | 2003-05-27 |
| 6390471 | Apparatus for detecting passage of a game medium and a game machine employing same | Toshiaki Shinbo, Jinichi Matsumoto, Sumito Oda, Isamu Kubota | 2002-05-21 |