Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Wilkinson — 2 Patents

FPFisons Plc: 2 patents #54 of 140Top 40%
Shepshed, GB: #3 of 15 inventorsTop 20%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David J. Wilkinson has been granted 2 US patents while listed as an inventor at Fisons Plc. The first was granted in 1989 and the most recent in June 1995. David J. Wilkinson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David J. Wilkinson in Shepshed, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5428044 Anti-inflammatory 4-aminophenyl derivatives John Bantick, David Hardern, Richard A. Appleton, John Dixon 1995-06-27 $118,000
4810719 Anti-inflammator 1,n-diarylpyrazol-3-amines Richard A. Appleton, Sidney C. Burford, David Hardern 1989-03-07 $173,000