Inventor

HAYNES MARK E

US3 patents

Patents

3 patents

US7246239B2Jul 17, 2007

Digital watermarks for checking authenticity of printed objects

DIGIMARC CORP49 citations95

US8006092B2Aug 23, 2011

Digital watermarks for checking authenticity of printed objects

DIGIMARC CORP7 citations83

US6993150B2Jan 31, 2006

Halftone primitive watermarking and related applications

DIGIMARC CORP7 citations68