Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ralph Wadensweiler

Applied Materials: 20 patents #657 of 7,310Top 9%
ISIntuitive Surgical: 8 patents #194 of 719Top 30%
Sunnyvale, CA: #828 of 14,302 inventorsTop 6%
California: #18,844 of 386,348 inventorsTop 5%
Overall (All Time): #133,501 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6841057 Method and apparatus for substrate polishing Alain Duboust, Liang-Yuh Chen, Manoocher Birang, Ratson Morad, Paul D. Butterfield 2005-01-11
6459382 Over clamp sensor 2002-10-01
5978202 Electrostatic chuck having a thermal transfer regulator pad Ajay Kumar, Shashank Deshmukh, Weinan Jiang, Rolf Guenther 1999-11-02