Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ratan Singh — 2 Patents

IBM: 1 patents #44,878 of 70,183Top 65%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ratan Singh has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2012 and the most recent in August 2013. Ratan Singh ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ratan Singh in Chennai, IN, IN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8515725 Characterization of nonlinear cell macro model for timing analysis Peter Feldmann, Sampath Dechu, Soroush Abbaspour 2013-08-20 $3,918,000
8190953 Method and system for selecting test vectors in statistical volume diagnosis using failed test data Sameer H. Chakravarthy, Thomas Bartenstein, Joseph Michael Swenton, Shaleen Bhabu 2012-05-29