Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RL

Robert D. Larsen — 31 Patents

Merck: 28 patents #296 of 9,382Top 4%
WEWinchester Electronics: 3 patents #4 of 11Top 40%
EAE.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
SCShionogi & Co.: 1 patents #620 of 1,054Top 60%
Monmouth Junction, NJ: #10 of 287 inventorsTop 4%
New Jersey: #2,109 of 69,400 inventorsTop 4%
Overall (All Time): #119,787 of 4,157,543Top 3%
31 Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5424432 Process for the preparation of imidazolutidine Laura E. Fredenburgh, Ji Liu, Robert A. Reamer, Chris Hugh Senanayake, Thomas R. Verhoeven 1995-06-13
5310928 Process for preparing biphenyltetrazole compounds Young S. Lo, Lucius Rossano, Anthony O. King 1994-05-10
5241083 Process for converting the 13-.alpha.-hydroxy group of avermectin aglycones Timothy Bill, Chris Hugh Senanayake, Sheo B. Singh, Thomas R. Vernhoeven 1993-08-31
4946997 Racemization of a carboxylic acid Paul J. Reider 1990-08-07
4940813 Resolution of a carboxylic acid Edward G. Corley, Edward J. J. Grabowski, Paul J. Reider 1990-07-10
4758661 Chiral synthesis of (+)-trans-1a,2,3,4a,5,6-hexahydro-9-hydroxy-4-propyl-4H-naphth[1,2-b]-1, 4-oxazine David G. Melillo, David J. Mathre 1988-07-19