Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RS

Ralph A. Schweinfurth — 3 Patents

Intel: 3 patents #10,444 of 30,777Top 35%
Beaverton, OR: #1,355 of 3,140 inventorsTop 45%
Oregon: #10,287 of 28,073 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ralph A. Schweinfurth has been granted 3 US patents while listed as an inventor at Intel. The first was granted in 1998 and the most recent in February 2001. Ralph A. Schweinfurth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralph A. Schweinfurth in Beaverton, OR, US.

Patents per Year

Patents granted per year, 1998 to 2001Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19981999: 1 patents19992001: 1 patents2001

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6191016 Method of patterning a layer for a gate electrode of a MOS transistor Robert S. Chau, Thomas A. Letson, Patricia Stokley, Peter K. Charvat 2001-02-20 $103,043,000
5933759 Method of controlling etch bias with a fixed lithography pattern for sub-micron critical dimension shallow trench applications Phi L. Nguyen, Swaminathan Sivakumar 1999-08-03 $168,638,000
5843846 Etch process to produce rounded top corners for sub-micron silicon trench applications Phi L. Nguyen 1998-12-01 $77,437,000