Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryan Stern

Caltech: 1 patents #2,143 of 4,321Top 50%
Los Angeles, CA: #7,008 of 12,377 inventorsTop 60%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,298,598 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7772550 Electronic drive and acquisition system for mass spectrometry Rembrandt Thomas Schaefer, Mohammad M. Mojarradi, Ara Chutjian, Murray Darrach, John MacAskill +6 more 2010-08-10