Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Kenneth Resnik — 4 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
MTMinerals Technologies: 1 patents #19 of 36Top 55%
Groton, CT: #59 of 198 inventorsTop 30%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert Kenneth Resnik has been granted 4 US patents while listed as an inventor at Pfizer. The first was granted in 1990 and the most recent in July 1998. Robert Kenneth Resnik ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert Kenneth Resnik in Groton, CT, US.

Patents per Year

Patents granted per year, 1990 to 1998Bar chart with a peak of 2 patents in 1990.peak 21990: 2 patents19901997: 1 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5783038 Ink jet recording paper incorporating novel precipitated calcium carbonate pigment Douglas Ward Donigian, Michael Gregory McFadden 1998-07-21 $5,618,000
5643631 Ink jet recording paper incorporating novel precipitated calcium carbonate pigment Douglas Ward Donigian, Michael Gregory McFadden 1997-07-01
4980395 Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate Krishna K. Mathur, Randall George Simmons 1990-12-25
4927618 Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate Krishna K. Mathur, Randall George Simmons 1990-05-22 $13,892,000