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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Krishnakumar Ranganathan — 4 Patents

AMAmgen: 3 patents #1,002 of 2,867Top 35%
SRSloan Kettering Institute For Cancer Research: 1 patents #325 of 644Top 55%
Thousand Oaks, CA: #556 of 1,766 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Krishnakumar Ranganathan has been granted 4 US patents while listed as an inventor at Amgen. The first was granted in 2014 and the most recent in July 2022. Krishnakumar Ranganathan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Krishnakumar Ranganathan in Thousand Oaks, CA, US.

Patents per Year

Patents granted per year, 2014 to 2022Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142019: 1 patents20192020: 1 patents20202022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11377474 Method for preparing AMG 416 (etelcalcetide) Jeroen BEZEMER, Ying Chen, Richard Crockett, Kevin Crossley, Sheng Cui +3 more 2022-07-05 $728,708,000
10858389 Solution phase method for preparing etelcalcetide Sheng Cui, Richard Crockett, Ying Chen, Aleksander Swietlow, Kevin Crossley +3 more 2020-12-08 $457,305,000
10407464 Method for preparing AMG 416 Jeroen BEZEMER, Ying Chen, Richard Crockett, Kevin Crossley, Sheng Cui +3 more 2019-09-10 $264,837,000
8754192 Compositions comprising homogeneously glycosylated erythropoietin Samuel J. Danishefsky, J. David Warren, Jiehao Chen, Bin Wu, Gong Chen +6 more 2014-06-17