Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael MacEwan — 2 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
Rochester, NY: #3,011 of 6,268 inventorsTop 50%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Michael MacEwan has been granted 2 US patents while listed as an inventor at Pfizer. The first was granted in 2004 and the most recent in November 2005. Michael MacEwan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michael MacEwan in Rochester, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6960686 Preparation and purification of antiviral disulfonic acid disodium salt Silvio Iera, Christopher A. Demerson, Jacqueline Lunetta, Maria Papamichelakis, Wayne McMahon +3 more 2005-11-01 $92,064,000
6806366 Preparation and purification of antiviral disulfonic acid disodium salt Silvio Iera, Christopher A. Demerson, Jacqueline Lunetta, Maria Papamichelakis, Wayne McMahon +2 more 2004-10-19 $265,728,000