Inventor
LOFGREN NEIL E
US28 patents
⚠️ This page may combine multiple inventors who share the name “LOFGREN NEIL E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIGIMARC CORP
17 patentsUS7508955B2Mar 24, 2009
Authentication of objects using steganography
DIGIMARC CORP145 citations99
US7305104B2Dec 4, 2007
Authentication of identification documents using digital watermarks
DIGIMARC CORP132 citations99
US7042470B2May 9, 2006
Using embedded steganographic identifiers in segmented areas of geographic images and characteristics corresponding to imagery data derived from aerial platforms
DIGIMARC CORP91 citations99
US6993152B2Jan 31, 2006
Hiding geo-location data through arrangement of objects
DIGIMARC CORP179 citations98
US6882737B2Apr 19, 2005
Digitally watermarking holograms for identity documents
DIGIMARC CORP83 citations98
US6664976B2Dec 16, 2003
Image management system and methods using digital watermarks
DIGIMARC CORP118 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
US7184572B2Feb 27, 2007
Using steganographic encoded information with maps
DIGIMARC CORP53 citations96
US7197160B2Mar 27, 2007
Geographic information systems using digital watermarks
DIGIMARC CORP58 citations95
US7542587B2Jun 2, 2009
Content processing methods using reversible watermarking
DIGIMARC CORP15 citations93
US7506169B2Mar 17, 2009
Digital watermarking maps and signs, and related navigational tools
DIGIMARC CORP20 citations93
US7187780B2Mar 6, 2007
Image processing methods using reversible watermarking
DIGIMARC CORP35 citations93
US7970166B2Jun 28, 2011
Steganographic encoding methods and apparatus
DIGIMARC CORP31 citations92
US8023694B2Sep 20, 2011
Systems and methods using identifying data derived or extracted from video, audio or images
DIGIMARC CORP10 citations83
US8355526B2Jan 15, 2013
Digitally watermarking holograms
DIGIMARC CORP3 citations63
US7992004B2Aug 2, 2011
Digital watermarked imagery, video, maps and signs
DIGIMARC CORP0 citations52
RHOADS GEOFFREY B
3 patentsUS8135166B2Mar 13, 2012
Embedding geo-location information in media
RHOADS GEOFFREY B397 citations99
US8447064B2May 21, 2013
Providing travel-logs based geo-locations relative to a graphical map
RHOADS GEOFFREY B10 citations84
US9363409B2Jun 7, 2016
Image management system and methods using digital watermarks
RHOADS GEOFFREY B9 citations83
LOFGREN NEIL E
3 patentsUS8059815B2Nov 15, 2011
Transforming data files into logical storage units for auxiliary data through reversible watermarks
LOFGREN NEIL E90 citations97
US8626666B2Jan 7, 2014
Confirming physical custody of objects
LOFGREN NEIL E6 citations83
US8606715B2Dec 10, 2013
Systems and methods facilitating communication with remote computers
LOFGREN NEIL E1 citations61