Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JC

J.K. Chang

Stanford University: 1 patents #115 of 519Top 25%
Redwood City, CA: #3,539 of 5,061 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,995,191 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4587233 Use of Arg-Phe-amide derivatives Jack D. Barchas, Eckard Weber, Christopher J. Evans, E. T. Wei, Ingbert E. Fuchs +1 more 1986-05-06