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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert M. Guinn — 2 Patents

Pfizer: 1 patents #3,022 of 5,153Top 60%
Mystic, CT: #106 of 230 inventorsTop 50%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert M. Guinn has been granted 2 US patents while listed as an inventor at Pfizer. The first was granted in 2001 and the most recent in September 2002. Robert M. Guinn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert M. Guinn in Mystic, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6444854 Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography Oliver Dapremont, Fiona Geiser, Tong Zhang, Subramanian Sam Guhan, George J. Quallich 2002-09-03
6194429 Alatrofloxacin parenteral compositions John F. Lambert, Subramanian Sam Guhan, Stanley W. Walinsky 2001-02-27 $315,276,000