Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David B. Pitfield — 8 Patents

Oracle: 8 patents #1,517 of 14,854Top 15%
San Jose, CA: #7,707 of 32,062 inventorsTop 25%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David B. Pitfield has been granted 8 US patents while listed as an inventor at Oracle. The first was granted in 2007 and the most recent in June 2014. David B. Pitfield ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David B. Pitfield in San Jose, CA, US.

Patents per Year

Patents granted per year, 2007 to 2014Bar chart with a peak of 3 patents in 2007.peak 32007: 3 patents20072008: 2 patents20082010: 1 patents20102011: 1 patents20112014: 1 patents2014

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8745017 Transaction-aware caching for access control metadata David J. Long 2014-06-03 $55,819,000
7987217 Transaction-aware caching for document metadata David J. Long 2011-07-26 $60,673,000
7725878 Property bundles on a per instance basis David J. Long 2010-05-25 $41,640,000
7421541 Version management of cached permissions metadata David J. Long 2008-09-02 $205,064,000
7389493 Categories on a per instance basis David J. Long 2008-06-17 $235,804,000
7240329 Policies on a per instance basis David J. Long 2007-07-03 $187,652,000
7203709 Transaction-aware caching for access control metadata David J. Long 2007-04-10 $89,315,000
7185005 Nested transactions in a file system David J. Long 2007-02-27 $56,702,000