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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
GK

Gregory Wayne Kauffman — 5 Patents

Pfizer: 5 patents #1,040 of 5,153Top 25%
East Greenwich, RI: #129 of 687 inventorsTop 20%
Rhode Island: #1,261 of 6,211 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Gregory Wayne Kauffman has been granted 5 US patents while listed as an inventor at Pfizer. The first was granted in 2014 and the most recent in June 2019. Gregory Wayne Kauffman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gregory Wayne Kauffman in East Greenwich, RI, US.

Patents per Year

Patents granted per year, 2014 to 2019Bar chart with a peak of 2 patents in 2017.peak 22014: 1 patents20142015: 1 patents20152017: 2 patents20172019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10316021 Heteroarylphenoxy benzamide kappa opioid ligands Natasha Mariam Kablaoui, Michael Eric Green, Justin Ian Montgomery, Michael Aaron Brodney, Patrick Robert Verhoest +5 more 2019-06-11 $297,650,000
9765073 Cyclopropabenzofuranyl pyridopyrazinediones Martin Youngjin Pettersson, Christopher William am Ende, Douglas Scott Johnson, Antonia Friederike Stepan, Patrick Robert Verhoest 2017-09-19 $381,523,000
9751877 Substituted pyrido[1,2-a]pyrazines for the treatment of neurodegenerative and neurological disorders Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende +6 more 2017-09-05 $172,618,000
9193726 Substituted pyrido[1,2-a]pyrazines for the treatment of neurodegenerative and neurological disorders Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende +6 more 2015-11-24 $383,549,000
8916564 Substituted pyrido[1,2-a]pyrazines for the treatment of neurodegenerative and neurological disorders Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende +6 more 2014-12-23 $289,866,000