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

Raghunathan V. Nair — 3 Patents

ANAnaquest: 1 patents #9 of 20Top 45%
OUOhio State University: 1 patents #193 of 584Top 35%
Columbus, OH: #1,077 of 3,880 inventorsTop 30%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Raghunathan V. Nair has been granted 3 US patents while listed as an inventor at Anaquest. The first was granted in 1989 and the most recent in October 1994. Raghunathan V. Nair ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Raghunathan V. Nair in Columbus, OH, US.

Patents per Year

Patents granted per year, 1989 to 1994Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891993: 1 patents19931994: 1 patents1994

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5356891 Phenylalkyl amine derivatives having anti-ischaemic activity Donald T. Witiak, Ineke van Wijngaarden, Josephus H. M. Lange, Jacobus A. J. den Hartog 1994-10-18
5262537 Derivatives of 4,5,6,7-tetrahydroimidazo-[4,5-c]pyridinyl-6-carboxylic acid Bao-Shan Huang, Danging D. Feng, Martin Gall, Suzanne Evans, Vidyadhar Paradkar +1 more 1993-11-16
4871736 Stereoisomeric tricyclic bis(dioxopiperazines) and pharmaceutical compositions Donald T. Witiak 1989-10-03