Class G09C : CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
Subclass 3/08: Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being electrical
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 8948383 | Printing system, printing method, terminal, and computer-readable storage medium for computer program | Feb 20, 12 | Feb 03, 15 | KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. |
| 8769297 | Method for increasing the functionality of a media player/recorder device or an application program | Sep 08, 03 | Jul 01, 14 | DIGIMARC CORPORATION |
| 8488837 | Apparatus and method for generating constructively multi-patterned watermark, and apparatus and method for inserting and detecting the watermark using the same | Jul 07, 09 | Jul 16, 13 | CK&B CO., LTD. |
| 8375202 | Communications methods and appliances | Sep 30, 04 | Feb 12, 13 | HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP |
| 8213614 | Distribution and printing of travel documents | Sep 23, 09 | Jul 03, 12 | AMADEUS S.A.S. |
| 8130951 | Intelligent electronic document content processing | Aug 08, 07 | Mar 06, 12 | RICOH COMPANY, LTD. |
| 8055901 | Optical signature to enable image correction | Mar 17, 10 | Nov 08, 11 | SCIENTIFIC GAMES INTERNATIONAL, INC. |
| 8041952 | Systems and methods for printing documents containing electronic signatures | Sep 28, 01 | Oct 18, 11 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
| 7991188 | Optimization methods for the insertion, protection, and detection of digital watermarks in digital data | Aug 31, 07 | Aug 02, 11 | WISTARIA TRADING LTD, Wisteria Trading, Inc., |
| 7987494 | Method and apparatus providing end to end protection for a document | Dec 19, 05 | Jul 26, 11 | ADOBE SYSTEMS INCORPORATED |
| 7983440 | Selection of I-frames for client-side watermarking | Nov 02, 06 | Jul 19, 11 | QURIO HOLDINGS, INC. |
| 7970136 | Apparatus and materials for two-stage printing of value indicia | May 01, 06 | Jun 28, 11 | Pitney Bowes Inc. |
| 7940929 | Method for processing documents containing restricted information | Nov 23, 05 | May 10, 11 | BEYONDCORE HOLDINGS, LLC |
| 7796753 | Digital anti-counterfeiting software method and apparatus | Dec 29, 04 | Sep 14, 10 | GRAPHIC SECURITY SYSTEMS CORPORATION |
| 7728998 | Printing management system, printing apparatus, print information output apparatus, and printing method | May 17, 05 | Jun 01, 10 | SEIKO EPSON CORPORATION |
| 7366301 | Optical watermark | Mar 16, 01 | Apr 29, 08 | Trustcopy Pte Ltd. |
| 6442276 | Verification of authenticity of goods by use of random numbers | Jul 21, 97 | Aug 27, 02 | DOLJACK FRANK A. |
| 6320670 | Method and system for address determination | Dec 31, 97 | Nov 20, 01 | Pitney Bowes Inc. |
| 6154543 | Public key cryptosystem with roaming user capability | Nov 25, 98 | Nov 28, 00 | Hush Communications Anguilla, Inc., Hush Communication Corporation, |
| 6073242 | Electronic authority server | Mar 19, 98 | Jun 06, 00 | MICROSOFT TECHNOLOGY LICENSING, LLC |
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