Inventor
PATTERSON PHILIP R
US6 patents
⚠️ This page may combine multiple inventors who share the name “PATTERSON PHILIP R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIGIMARC CORP
5 patentsUS6993152B2Jan 31, 2006
Hiding geo-location data through arrangement of objects
DIGIMARC CORP179 citations98
US7502490B2Mar 10, 2009
Geographic information systems using digital watermarks
DIGIMARC CORP58 citations97
US7027612B2Apr 11, 2006
Marking physical objects and related systems and methods
DIGIMARC CORP71 citations97
US7197160B2Mar 27, 2007
Geographic information systems using digital watermarks
DIGIMARC CORP58 citations95
US8023694B2Sep 20, 2011
Systems and methods using identifying data derived or extracted from video, audio or images
DIGIMARC CORP10 citations83