Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017904 | Token-operated game machine | Toshiya Ohara, Hideyuki Kaneko, Keizo Wada | 2006-03-28 |
| 6769687 | Token-operated game machine | Toshiya Ohara, Hideyuki Kaneko, Keizo Wada | 2004-08-03 |