Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D466160 | Game machine | Jun Hirato, Hiroyuki Nagano, Yu Suzuki | 2002-11-26 |
| 5618233 | Running body and racing game apparatus using the same | Yu Haijima | 1997-04-08 |
| 4923430 | Coin payout apparatus in gaming device | — | 1990-05-08 |
| 4840290 | Bulk loaded coin dispensing machine | Shunichi Nakamura, Kikuo Nakamura, Susumu Ozawa | 1989-06-20 |