Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390471 | Apparatus for detecting passage of a game medium and a game machine employing same | Toshiaki Shinbo, Jinichi Matsumoto, Isamu Kubota, Shinichi Odake | 2002-05-21 |
| 6210286 | Riding game system | Toshiya Ohara, Hideaki Yamamoto, Takashi Ohwaki | 2001-04-03 |
| 6059666 | Riding game system | Toshiya Ohara, Hideaki Yamamoto, Takashi Ohwaki | 2000-05-09 |