Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Derek B. Clegg — 10 Patents

Apple: 7 patents #4,315 of 18,612Top 25%
IGIsland Graphics: 3 patents #1 of 12Top 9%
Redwood City, CA: #993 of 5,061 inventorsTop 20%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Derek B. Clegg has been granted 10 US patents while listed as an inventor at Apple. The first was granted in 1995 and the most recent in October 2016. Derek B. Clegg ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Derek B. Clegg in Redwood City, CA, US.

Patents per Year

Patents granted per year, 1995 to 2016Bar chart with a peak of 2 patents in 1995.peak 21995: 2 patents19951997: 1 patents19972005: 1 patents20052011: 2 patents20112012: 1 patents20122013: 2 patents20132016: 1 patents2016

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9460063 Identification, selection, and display of a region of interest in a document Philip Andrew Mansfield, Michael Robert Levy 2016-10-04 $81,245,000
8549399 Identifying a selection of content in a structured document Philip Andrew Mansfield, Michael Robert Levy 2013-10-01 $90,690,000
8543911 Ordering document content based on reading flow Philip Andrew Mansfield, Michael Robert Levy 2013-09-24 $96,071,000
8098250 Adaptive and dynamic text filtering Haroon Sheikh 2012-01-17 $94,106,000
8085271 System and method for dilation for glyph rendering Haroon Sheikh 2011-12-27 $116,008,000
7944447 Adaptive and dynamic text filtering Haroon Sheikh 2011-05-17 $221,987,000
6897870 Glyph rendering quantization for subpixel positioning 2005-05-24 $107,761,000
5636337 Method and system for color film separation preprocess using electronic object-based choking and spreading procedures including object combining operations Mark Boenke, Mike Gittelsohn, Keith Passaretti, Audrey Seymour 1997-06-03
5438653 Method and system for color film separation preprocess using electronic object-based choking and spreading procedures including object combining operations Marke Boenke, Mike Gittelsohn, Keith Passaretti, Audrey Seymour-Marks 1995-08-01
5402530 Method and system for color film separation preprocess using electronic object-based choking and spreading procedures including object combining operations Mark Boenke, Mike Gittelsohn, Keith Passaretti, Audrey Seymour 1995-03-28