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Patent Searching and Data


Title:
AUTHENTICATABLE PRINTED PAPER AND ITS MAKING METHOD
Document Type and Number:
WIPO Patent Application WO/2004/085166
Kind Code:
A1
Abstract:
A printed paper exhibiting a continuous tone. The printed paper is characterized in that the continuous tone is produced by varying the printing element area ratio per unit area of the printed paper for each unit area, constitutes a pattern of a photograph, a picture, or a textile, there are regions each composed of different printing elements in the pattern, the shape of each region has a design different from the pattern, and the sums of the lengths of the perimeters of the printing elements per unit area of printing element patterns constituting the regions are different from one another.

Inventors:
Kiuchi, Masato c/o Dokuritsugyouseihoujin, Kokuritsuinsatsukyoku (2-4 Toranomon 2-chome, Minato-k, Tokyo 45, 10584, JP)
Fujii, Rie c/o Dokuritsugyouseihoujin, Kokuritsuinsatsukyoku (2-4 Toranomon 2-chome, Minato-k, Tokyo 45, 10584, JP)
Application Number:
PCT/JP2004/003648
Publication Date:
October 07, 2004
Filing Date:
March 18, 2004
Export Citation:
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Assignee:
NATIONAL PRINTING BUREAU INCORPORATED ADMINISTRATIVE AGENCY (2-4 Toranomon 2-chome, Minato-ku Tokyo, 45, 10584, JP)
Kiuchi, Masato c/o Dokuritsugyouseihoujin, Kokuritsuinsatsukyoku (2-4 Toranomon 2-chome, Minato-k, Tokyo 45, 10584, JP)
Fujii, Rie c/o Dokuritsugyouseihoujin, Kokuritsuinsatsukyoku (2-4 Toranomon 2-chome, Minato-k, Tokyo 45, 10584, JP)
International Classes:
B41M3/14; B41M5/00; B42D15/00; (IPC1-7): B41M3/14; B42D15/10
Domestic Patent References:
WO2001094122A1
Foreign References:
JP2000118119A
JPH11157132A
Attorney, Agent or Firm:
Yoshitake, Kenji (Kyowa Patent & Law Office, Room 323 Fuji Bldg., ||2-3, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 10000, JP)
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