Thor A. Olson — 26 Patents at Electronics For Imaging

Thor A. Olson has been granted 26 US patents while listed as an inventor at Electronics For Imaging. The first was granted in 1988 and the most recent in April 2025. Thor A. Olson ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Thor A. Olson in Eagan, MN, US.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12273495	Interactive three-dimensional (3D) color histograms	Leon C. Williams	2025-04-08
12250356	Interactive three-dimensional (3D) color histograms	Leon C. Williams	2025-03-11
12088772	Interactive three-dimensional (3D) color histograms	Leon C. Williams	2024-09-10
11212421	Interactive three-dimensional (3D) color histograms	Leon C. Williams	2021-12-28
11169462	Method and apparatus for variable gloss reduction	Leon C. Williams	2021-11-09
11086246	Method and apparatus for variable gloss reduction	Leon C. Williams	2021-08-10
11022906	Method and apparatus for variable gloss reduction	Leon C. Williams	2021-06-01
10447896	Interactive three-dimensional (3D) color histograms	Leon C. Williams	2019-10-15
10114307	Method and apparatus for variable gloss reduction	Leon C. Williams	2018-10-30	$10,416,000
9952539	Method and apparatus for variable gloss reduction	Leon C. Williams	2018-04-24	$19,878,000
9786094	Method and apparatus for creating a dimensional layer for an image file	Leon C. Williams	2017-10-10	$26,080,000
8243326	Methods and apparatus for color profile editing	—	2012-08-14	$4,562,000
8013871	Apparatus and methods for selective color editing of color profiles	—	2011-09-06	$1,854,000
7598964	Apparatus and methods for editing hue and saturation in color profiles	—	2009-10-06	$5,882,000
7397961	Apparatus and methods for digital image compression	Richard A. Keeney	2008-07-08	$2,682,000
7302103	Apparatus and methods for digital image compression	Richard A. Keeney	2007-11-27	$1,802,000
7027655	Digital image compression with spatially varying quality levels determined by identifying areas of interest	Richard A. Keeney	2006-04-11	$5,445,000
6647149	Methods and apparatus for securely transmitting and processing digital image data	Richard A. Keeney	2003-11-11	$10,077,000
6539323	Methods and apparatus for correcting spectral color measurements	—	2003-03-25	$6,980,000
6381036	Method for determining printer colorant levels	—	2002-04-30	$11,046,000
6112665	Method and computer generated swatch cards for matching colors	James R. Teter	2000-09-05	$25,877,000
D419185	Perforated paper blank for color matching strips	James R. Teter	2000-01-18
5389985	Image recording apparatus and rearview CRT therefor	Richard A. Keeney	1995-02-14
5170182	Apparatus and method for registering an image on a recording medium	Richard A. Keeney	1992-12-08
RE33973	Image generator having automatic alignment method and apparatus	J. Stanley Kriz, William H. Glass	1992-06-23

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Thor A. Olson — 26 Patents

Issued Patents All Time

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