Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883707 | Bill serial number reading device and bill serial number reading method | Keiji Nagasaka, Kunihiro Ryo | 2005-04-26 |
| 6603126 | UV/fluorescence detecting apparatus and sensing method thereof | Hirokazu Yamada, Kunihiro Ryo | 2003-08-05 |