Title:
【発明の名称】カード及びカードの真偽判定方法
Document Type and Number:
Japanese Patent JP3375355
Kind Code:
B2
Inventors:
Hidehiko Hoso
Nagahisa Matsudaira
Nagahisa Matsudaira
Application Number:
JP34698392A
Publication Date:
February 10, 2003
Filing Date:
December 25, 1992
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
Nippon Barber Co., Ltd.
Nippon Barber Co., Ltd.
International Classes:
B42D15/10; G06K5/00; G06K17/00; G06K19/06; G06K19/10; G11B5/80; (IPC1-7): B42D15/10; G06K5/00; G06K17/00; G06K19/06; G06K19/10; G11B5/80
Domestic Patent References:
| JP5233444A |
Other References:
【文献】国際公開92/855(WO,A1)