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

Dana Ludwig — 2 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
Seattle, WA: #10,587 of 21,776 inventorsTop 50%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dana Ludwig has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 2019 and the most recent in November 2020. Dana Ludwig ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dana Ludwig in Seattle, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10839787 Session text-to-speech conversion Jason Kepner, Evelyn R. Thomas, David Ruzyski, Jeremy L. Dewey, Martin Hall +3 more 2020-11-17 $148,442,000
10311857 Session text-to-speech conversion Jason Kepner, Evelyn R. Thomas, David Ruzyski, Jeremy L. Dewey, Martin Hall +3 more 2019-06-04 $61,829,000