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USPTO Patent Rankings Data through Dec 31, 2025
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Sergey A. Ketlinsky — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Saint Petersburg, RU: #854 of 2,117 inventorsTop 45%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Sergey A. Ketlinsky has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1998. Sergey A. Ketlinsky ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Sergey A. Ketlinsky in Saint Petersburg, RU.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5744452 .gamma.-L-glutamyl containing immunomodulator compounds and methods therewith Alexander A. Kolobov, Andrey S. Simbirtsev, Sergey V. Kulikov, Alexey N. Prusakov, Natalia M. Kalinina +4 more 1998-04-28