Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697483 | Coin processor | Takeshi Ishida, Kenji Koyama, Jun Yamada, Genzo Yoshizawa | 1997-12-16 |
| 5579886 | Coin processor | Takeshi Ishida, Kenji Koyama, Jun Yamada, Genzo Yoshizawa | 1996-12-03 |