Chi-Ming Lien

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Xinzhuang City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method of watermark with hybrid halftone dots
- Patent number 7,554,699
- Issue date Jun 30, 2009
- National Taipei Normal University
- Hsi-Chun Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method of watermark with hybrid halftone dots
- Publication number 20060170974
- Publication date Aug 3, 2006
- Hsi-Chun Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE