Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RD

Roy E. Dumas — 2 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
Redmond, WA: #4,371 of 8,547 inventorsTop 55%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Roy E. Dumas has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 2006 and the most recent in December 2011. Roy E. Dumas ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roy E. Dumas in Redmond, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8086959 Method and system for inferring a schema from a hierarchical data structure for use in a spreadsheet Chad Rothschiller, Michael J. McCormack, Eoin Burke, Kelly J. Lynch 2011-12-27 $13,493,000
6990632 Method and system for inferring a schema from a hierarchical data structure for use in a spreadsheet Chad Rothchiller, Michael J. McCormack, Eoin Burke, Kelly J. Lynch 2006-01-24 $27,353,000