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

Ron Northrup — 3 Patents

Applied Materials: 3 patents #3,025 of 7,310Top 45%
San Jose, CA: #14,697 of 32,062 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ron Northrup has been granted 3 US patents while listed as an inventor at Applied Materials. The first was granted in 1998 and the most recent in May 2003. Ron Northrup ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ron Northrup in San Jose, CA, US.

Patents per Year

Patents granted per year, 1998 to 2003Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19982000: 1 patents20002003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6557248 Method of fabricating an electrostatic chuck Shamouil Shamouilian, Manoocher Birang, John F. Cameron, Chandra Deshpandey, Alfred Goldspeil +2 more 2003-05-06 $19,934,000
6023405 Electrostatic chuck with improved erosion resistance Shamouil Shamouilian, Manoocher Birang, John F. Cameron, Chandra Deshpandey, Alfred Goldspeil +2 more 2000-02-08 $294,888,000
5822171 Electrostatic chuck with improved erosion resistance Shamouil Shamouilian, Manoocher Birang, John F. Cameron, Chandra Deshpandey, Alfred A. Goldspiel +2 more 1998-10-13 $26,272,000