Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Subrabrata Sen

CHChemocentryx: 2 patents #76 of 107Top 75%
Sunnyvale, CA: #7,978 of 14,302 inventorsTop 60%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,151,441 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7449576 Substituted piperazines Andrew Pennell, James Aggen, J.J. Kim Wright, Brian E. McMaster, Daniel Dairaghi 2008-11-11
7157464 Substituted piperazines Andrew Pennell, James Aggen, J.J. Kim Wright, Brian E. McMaster, Daniel Dairaghi 2007-01-02