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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David K. Studley — 3 Patents

GEGenus: 1 patents #35 of 76Top 50%
Sunnyvale, CA: #6,613 of 14,302 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
David K. Studley has been granted 3 US patents while listed as an inventor at Genus. The first was granted in 1990 and the most recent in December 1999. David K. Studley ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David K. Studley in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1990 to 1999Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901998: 1 patents19981999: 1 patents1999

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5997650 Reactor having an array of heating filaments and a filament force regulator James E. Herlinger, Jerry W. Zimmer 1999-12-07
5833753 Reactor having an array of heating filaments and a filament force regulator James E. Herlinger, Jerry W. Zimmer 1998-11-10
4932358 Perimeter wafer seal Ernest Keller 1990-06-12 $538,000