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Browse by Category: Main > Information Technology
Class Information
Number: 380/55
Name: Cryptography > Having production of printed copy (e.g., cryptographic printer or typewriter)
Description: Subject matter which generates a permanent visible record of either the encrypted or decrypted characters.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8705736 Image encryption for print-and-scan channels using pixel position permutation Apr. 22, 2014
8687241 Method for security printing Apr. 1, 2014
8656152 Image forming apparatus, host apparatus and encryption method of job object document thereof Feb. 18, 2014
8649552 Data obfuscation of text data using entity detection and replacement Feb. 11, 2014
8649512 Duo codes for product authentication Feb. 11, 2014
8547568 Approach for securely printing electronic documents Oct. 1, 2013
8547561 Information processing apparatus, printing processing method, and program therefor Oct. 1, 2013
8526608 Printing system and printer with electronic signature capability and method thereof Sep. 3, 2013
8526063 Image forming apparatus, method, and system for encrypting or decrypting portion of image Sep. 3, 2013
8526028 Avoiding redundant printing Sep. 3, 2013
8521653 System and method for providing postage indicia Aug. 27, 2013
8479004 Paper-based document logging Jul. 2, 2013
8442222 Job ticket issuing device and job execution device May. 14, 2013
RE44209 Method and system for real-time control of document printing May. 7, 2013
8363284 Image processing system for producing copy protected images using transparent recording material Jan. 29, 2013
8365265 Image forming apparatus, method of controlling the apparatus, and control program stored medium Jan. 29, 2013
8347102 Image processing apparatus and method for transmitting encrypted data Jan. 1, 2013
8331608 Hidden image identification system, products, identification device and producing method Dec. 11, 2012
8316415 Security document printing system and method of controlling the same Nov. 20, 2012
8306221 Image encryption apparatus and image decryption apparatus Nov. 6, 2012
8300806 Duo codes for product authentication Oct. 30, 2012
8291235 Method and system for controlling access of clients and users to a print server Oct. 16, 2012
8279493 Image processing method, program thereof, image processing apparatus, and inkjet recording apparatus Oct. 2, 2012
8245306 Digital rights management printing system Aug. 14, 2012
8239670 Multi-aspect identifier in network protocol handshake Aug. 7, 2012
8199913 Object authentication using embossed hidden images Jun. 12, 2012
8171297 System and method using information based indicia for securing and authenticating transactions May. 1, 2012
8155313 Systems and methods for employing duo codes for product authentication Apr. 10, 2012
8127137 Watermark payload encryption for media including multiple watermarks Feb. 28, 2012
8117455 Object authentication from a signature part Feb. 14, 2012
8054970 Image forming apparatus, image forming method, information processing apparatus and information processing method Nov. 8, 2011
8031349 Approach for securely printing electronic documents Oct. 4, 2011
8031377 Encrypting image data based on paper fiber properties, printing encrypted image, and decrypting encrypted image Oct. 4, 2011
8031348 Approach for securely printing electronic documents Oct. 4, 2011
7999973 Image processing apparatus and a control method for forming forgery-inhibited pattern images Aug. 16, 2011
7995246 Detecting printed image copies using phase-space-encoded fragile watermark Aug. 9, 2011
7984481 Image processing system, image processing apparatus and image processing method Jul. 19, 2011
7979019 Image forming apparatus, image forming method, control program, and computer-readable program Jul. 12, 2011
7979906 Method and system for multifaceted scanning Jul. 12, 2011
7974928 System and method for securing database records from tampering and managing and recovering from component failure in devices such as postage value dispensing systems Jul. 5, 2011
7941347 Self cancelling product order based on predetermined time period May. 10, 2011
7933406 Encryption device and method, and image forming apparatus Apr. 26, 2011
7929695 Printing system and printer with electronic signature capability and method thereof Apr. 19, 2011
7925015 Image forming system, computer-readable recording medium storing a setting change program, and setting change method Apr. 12, 2011
7916354 Hiding and detecting auxiliary data in media materials and signals Mar. 29, 2011
7916863 Security printing method and system for enhancing security printing Mar. 29, 2011
7916343 Method of encoding a latent image and article produced Mar. 29, 2011
7889884 Image processing apparatus and method Feb. 15, 2011
7884954 Peripheral equipment and management method thereof Feb. 8, 2011
7877606 Method of authorizing network publishing Jan. 25, 2011

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