Title:
真偽判別可能な印刷物及びその作成方法
Document Type and Number:
Japanese Patent JP4082448
Kind Code:
B2
Inventors:
Masato Kiuchi
Kazuharu Saito
Minoru Fujita
Kazuharu Saito
Minoru Fujita
Application Number:
JP2002050606A
Publication Date:
April 30, 2008
Filing Date:
February 27, 2002
Export Citation:
Assignee:
National Printing Bureau
International Classes:
B41M3/14; B42D15/10; G06T1/00; H04N1/387
Domestic Patent References:
| JP2000118121A | ||||
| JP2001319257A |