Robert D. Powell — 22 Patents at Digimarc

Robert D. Powell has been granted 22 US patents while listed as an inventor at Digimarc. The first was granted in 1998 and the most recent in July 2011. Robert D. Powell ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Robert D. Powell in Issaquah, WA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7978876	Hiding codes in input data	Mark Nitzberg	2011-07-12	$698,000
7593545	Determining whether two or more creative works correspond	Mark Nitzberg	2009-09-22	$649,000
7412074	Hiding codes in input data	Mark Nitzberg	2008-08-12	$2,359,000
7280672	Image data processing	Mark Nitzberg	2007-10-09	$1,007,000
7136503	Encoding hidden data	Mark Nitzberg	2006-11-14	$898,000
7068812	Decoding hidden data from imagery	Mark Nitzberg	2006-06-27	$367,000
7068811	Protecting images with image markings	Mark Nitzberg	2006-06-27	$367,000
7062070	Image marking adapted to the image	Mark Nitzberg	2006-06-13	$399,000
6678392	Method for encoding auxiliary data within a source signal	Mark Nitzberg	2004-01-13	$3,129,000
6628801	Image marking with pixel modification	Mark Nitzberg	2003-09-30	$3,505,000
6614915	Image capture and marking	Mark Nitzberg	2003-09-02	$2,053,000
6459803	Method for encoding auxiliary data within a source signal	Mark Nitzberg	2002-10-01	$3,741,000
6385330	Method for encoding auxiliary data within a source signal	Mark Nitzberg	2002-05-07	$2,468,000
6317505	Image marking with error correction	Mark Nitzberg	2001-11-13	$6,419,000
6307950	Methods and systems for embedding data in images	Mark Nitzberg	2001-10-23	$2,758,000
6301369	Image marking to permit later identification	Mark Nitzberg	2001-10-09	$5,659,000
6157905	Identifying language and character set of data representing text	—	2000-12-05	$599,409,000
6137892	Data hiding based on neighborhood attributes	Mark Nitzberg	2000-10-24	$8,592,000
6072888	Method for image encoding	Mark Nitzberg	2000-06-06	$14,474,000
5930377	Method for image encoding	Mark Nitzberg	1999-07-27
5809160	Method for encoding auxiliary data within a source signal	Mark Nitzberg	1998-09-15
5721788	Method and system for digital image signatures	Mark Nitzberg	1998-02-24

Robert D. Powell — 22 Patents

Issued Patents All Time

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