Inventor
EIKAWA SHINOBU
JP4 patents
Patents
4 patentsUS7065226B1Jun 20, 2006
Method for embedding information and extracting the same
HITACHI LTD23 citations91
US6707927B1Mar 16, 2004
Steganographic system, method, program and storage medium therefor
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US7047412B2May 16, 2006
Digital watermark data embedding method, and digital watermark data embeddability analyzing method
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US6865677B1Mar 8, 2005
Contents rendering control method, contents reproducing equipment, and contents distribution equipment
HITACHI LTD15 citations82