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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jan Szeliga — 7 Patents

Pfizer: 7 patents #741 of 5,153Top 15%
Ossining, NY: #193 of 613 inventorsTop 35%
New York: #20,477 of 115,490 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Jan Szeliga has been granted 7 US patents while listed as an inventor at Pfizer. The first was granted in 2012 and the most recent in August 2017. Jan Szeliga ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Jan Szeliga in Ossining, NY, US.

Patents per Year

Patents granted per year, 2012 to 2017Bar chart with a peak of 2 patents in 2013.peak 22012: 1 patents20122013: 2 patents20132014: 1 patents20142015: 1 patents20152016: 1 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9724343 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2017-08-08
9492445 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2016-11-15
9180125 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2015-11-10
8822490 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2014-09-02
8455644 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2013-06-04
8420663 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2013-04-16
8247425 Peripheral opioid receptor antagonists and uses thereof Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati +7 more 2012-08-21