Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David S. Jun — 4 Patents

FEFei: 4 patents #139 of 681Top 25%
Portland, OR: #3,229 of 9,213 inventorsTop 40%
Oregon: #8,577 of 28,073 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David S. Jun has been granted 4 US patents while listed as an inventor at Fei. The first was granted in 2004 and the most recent in June 2006. David S. Jun ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David S. Jun in Portland, OR, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7064477 Low power schottky emitter Gerald G. Magera, Gregory A. Schwind, James B. McGinn 2006-06-20 $3,413,000
6798126 High angular intensity Schottky electron point source Gregory A. Schwind, Gerald G. Magera 2004-09-28 $1,919,000
6771013 Low power schottky emitter Gerald G. Magera, Gregory A. Schwind, James B. McGinn 2004-08-03 $2,911,000
6680562 Schottky emitter having extended life James B. McGinn, Sander Den Hartog, Gerald G. Magera, Gregory A. Schwind 2004-01-20 $8,045,000