Title:
回折格子画素からなる記録媒体の真贋判定方法及び真贋判定装置
Document Type and Number:
Japanese Patent JP5224037
Kind Code:
B2
Inventors:
Seiko Shiojiri
Masakazu Nitta
Aoyama Miaki
Jiro Ota
Kitamura Kiminobu
Masakazu Nitta
Aoyama Miaki
Jiro Ota
Kitamura Kiminobu
Application Number:
JP2008039894A
Publication Date:
July 03, 2013
Filing Date:
February 21, 2008
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B42D15/10; G02B5/18; G06K17/00; G07D7/00; G07D7/12
Domestic Patent References:
| JP2001322381A | ||||
| JP2003337217A | ||||
| JP7043509A | ||||
| JP2007223195A |
Attorney, Agent or Firm:
Hiroshi Nagisawa
Ryukichi Abe
Hirukawa Masanobu
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Akira Yonezawa
Ryukichi Abe
Hirukawa Masanobu
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Akira Yonezawa