PAT. NO.	Title
1	7,593,545	Determining whether two or more creative works correspond
2	7,412,074	Hiding codes in input data
3	7,280,672	Image data processing
4	7,136,503	Encoding hidden data
5	7,068,812	Decoding hidden data from imagery
6	7,068,811	Protecting images with image markings
7	7,062,070	Image marking adapted to the image
8	6,678,392	Method for encoding auxiliary data within a source signal
9	6,628,801	Image marking with pixel modification
10	6,614,915	Image capture and marking
11	6,459,803	Method for encoding auxiliary data within a source signal
12	6,385,330	Method for encoding auxiliary data within a source signal
13	6,317,505	Image marking with error correction
14	6,307,950	Methods and systems for embedding data in images
15	6,301,369	Image marking to permit later identification
16	6,157,905	Identifying language and character set of data representing text
17	6,137,892	Data hiding based on neighborhood attributes
18	6,072,888	Method for image encoding
19	5,930,377	Method for image encoding
20	5,809,160	Method for encoding auxiliary data within a source signal
21	5,721,788	Method and system for digital image signatures