Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601686 | Vending machine | Tsunehiro Aso | 2003-08-05 |
| 6536577 | Coin handling method and device | Tsunehiro Aso, Kenji Koyama | 2003-03-25 |
| 6520309 | Coin guide device | Jun Yamada, Masato Yagi | 2003-02-18 |