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| August 27, 2002 |
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| October 19, 2001 |
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| December 11, 2002 |
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| October 29, 2002 |
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| February 7, 2002 |
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| July 21, 2003 |
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| August 14, 2000 |
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| June 7, 2001 |
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| August 24, 2000 |
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| July 12, 2000 |
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| June 28, 2002 |
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| December 5, 2001 |
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| December 13, 2001 |
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| November 28, 2000 |
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| August 25, 2003 |
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| October 7, 2004 |
| 6944314 | DIGITAL INFORMATION EMBEDDING DEVICE EMBEDDING DIGITAL WATERMARK INFORMATION IN EXACT DIGITAL CONTENT, COMPUTER-READABLE RECORDING MEDIUM HAVING DIGITAL INFORMATION EMBEDDING PROGRAM RECORDED THEREIN, AND METHOD OF EMBEDDING DIGITAL INFORMATION
| June 7, 2001 |
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