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USPTO Patent Rankings Data through Dec 31, 2025
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Simone Zerfass — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Leinfelden, DE: #104 of 230 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Simone Zerfass has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2016 and the most recent in May 2017. Simone Zerfass ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Simone Zerfass in Leinfelden, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9639596 Processing data in a data warehouse Iliyana Ivanova, Christoph Lingenfelder, Christoph Sieb 2017-05-02 $3,833,000
9235633 Processing data in a data warehouse Iliyana Ivanova, Christoph Lingenfelder, Christoph Sieb 2016-01-12 $5,327,000