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| 7111168 | Digital watermarking systems |
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| 7089212 | System and method for controlling access to protected information |
| 7085743 | System and method for creating and running protected information |
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| 7039184 | Encryption/decryption unit and storage medium |
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| 7024393 | Structural of digital rights management (DRM) system |
| 7020635 | System and method of secure electronic commerce transactions incl... |
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| 7016875 | Single sign-on for access to a central data repository |
| 7013138 | Local area network having multiple channel wireless access |
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