Inventor

Hugh L. Brunk

Inventor

Portland, OR, US

Overview

2002–2021

Patent span

Physics

Primary field (CPC G)

Patents· 60 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television24%

G06TImage data processing or generation, in general21%

G10LSpeech analysis techniques or speech synthesis9%

G06KGraphical data reading7%

H04LTransmission of digital information, e.g. telegraphic communication6%

G06FElectric digital data processing5%

G06VImage or video recognition or understanding5%

G01SRadio direction-finding3%

G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing3%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%

PatentTitleYear

11,080,006Methods and system for cue detection from audio input, low-power data processing and related arrangements2021 11,062,108Generating and reading optical codes with variable density to adapt for visual quality and reliability2021 10,902,539Learning systems and methods2021 10,498,941Sensor-synchronized spectrally-structured-light imaging2019 10,459,685Methods and system for cue detection from audio input, low-power data processing and related arrangements2019 10,113,910Sensor-synchronized spectrally-structured-light imaging2018 10,027,868Sensor-synchronized spectrally-structured-light imaging2018 9,891,883'Methods and system for cue detection from audio input, low-power data processing and related arrangements'2018 9,753,115'Systems and methods for locating a mobile device within a cellular system'2017 9,593,982'Sensor-synchronized spectrally-structured-light imaging'2017 9,564,682'Body-worn phased-array antenna'2017 9,559,839'Message key generation'2017 9,414,239'Space time calibration for networks using state model of node clock parameters'2016 RE045828'Method for determining a printer\'s signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document'2015 9,083,511'Message key generation'2015 9,043,601'Digital watermark key generation'2015 8,761,391'Digital watermark key generation'2014 8,717,919'Systems and methods for space-time determinations with reduced network traffic'2014 8,600,053'Message key generation'2013 8,600,103'Message encoding'2013 8,542,870'Methods, apparatus and programs for generating and utilizing content signatures'2013 8,488,836'Methods, apparatus and programs for generating and utilizing content signatures'2013 8,421,675'Systems and methods for locating a mobile device within a cellular system'2013 8,355,526'Digitally watermarking holograms'2013 8,144,368'Automated methods for distinguishing copies from original printed objects'2012 8,140,848'Digital watermark key generation'2012 8,130,811'Assessing quality of service using digital watermark information'2012 8,077,911'Methods, apparatus and programs for generating and utilizing content signatures'2011 8,051,295'Benchmarks for digital watermarking'2011 8,023,773'Methods, apparatus and programs for generating and utilizing content signatures'2011 8,006,092'Digital watermarks for checking authenticity of printed objects'2011 7,986,807'Signal embedding and detection using circular structures in a transform domain of a media signal'2011 7,983,185'Systems and methods for space-time determinations with reduced network traffic'2011 7,974,436'Methods, apparatus and programs for generating and utilizing content signatures'2011 7,958,365'Using classification techniques in digital watermarking'2011 7,930,546'Methods, systems, and sub-combinations useful in media identification'2011 7,711,564'Connected audio and other media objects'2010 7,656,930'Assessing quality of service using digital watermark information'2010 7,607,016'Including a metric in a digital watermark for media authentication'2009 7,508,944'Using classification techniques in digital watermarking'2009 7,454,033'Quantization-based data hiding employing calibration and locally adaptive quantization'2008 7,289,643'Method, apparatus and programs for generating and utilizing content signatures'2007 7,286,685'Halftone watermarking and related applications'2007 7,277,468'Measuring quality of service of broadcast multimedia signals using digital watermark analyses'2007 7,246,239'Digital watermarks for checking authenticity of printed objects'2007 7,054,461'Authenticating printed objects using digital watermarks associated with multidimensional quality metrics'2006 7,020,349'Halftone watermarking and related applications'2006 6,993,154'Measuring digital watermark strength using error correction coding metrics'2006 6,993,149'Embedding digital watermarks in spot colors'2006 6,882,737'Digitally watermarking holograms for identity documents'2005 6,782,115'Watermark holograms'2004 6,760,464'Halftone watermarking and related applications'2004 6,694,041'Halftone watermarking and related applications'2004 6,683,966'Watermarking recursive hashes into frequency domain regions'2004 6,608,911'Digitally watermaking holograms for use with smart cards'2003 6,580,809'Quantization-based data hiding employing calibration and locally adaptive quantization'2003 6,546,116'Adjusting an electronic camera to acquire an image'2003 6,533,385'Method for determining a printer\'s signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document'2003 6,483,927'Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes'2002 6,366,680'Adjusting an electronic camera to acquire a watermarked image'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2021Patents assigned to DIGIMARC CORP (56)· patent assignee history

2002–2021Based in Portland, OR, US· patent location history

2003–2015Patents assigned to PITNEY BOWES INC (3)· patent assignee history

2011–2016Patents assigned to BRUNK HUGH L (15)· patent assignee history

2011–2013Patents assigned to LEVY KENNETH L (5)· patent assignee history

2012–2015Patents assigned to BRUNDAGE TRENT J (5)· patent assignee history

2013Based in Portand, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DIGIMARC CORP	56	2002–2021
BRUNK HUGH Lself	15	2011–2016
BRUNDAGE TRENT J	5	2012–2015
LEVY KENNETH L	5	2011–2013
PITNEY BOWES INC	3	2003–2015

Locations

Location	Patents	Span
Portland, OR, US	59	2002–2021
Portand, OR, US	1	2013