Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David J. Enscore — 33 Patents

ALAlza: 20 patents #25 of 419Top 6%
NDNitto Denko: 3 patents #959 of 2,479Top 40%
FOFocal: 2 patents #33 of 44Top 75%
GEGenzyme: 1 patents #498 of 891Top 60%
Fort Lauderdale, FL: #29 of 1,290 inventorsTop 3%
Florida: #1,138 of 67,251 inventorsTop 2%
Overall (All Time): #105,635 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
4904475 Transdermal delivery of drugs from an aqueous reservoir Robert M. Gale 1990-02-27
4832953 Method for preventing the formation of a crystalline hydrate in a dispersion of a liquid in a monaqueous matrix Patricia S. Campbell, Robert M. Gale, Arnold S. Kaufman 1989-05-23
4820720 Transdermal drug composition with dual permeation enhancers Harold F. Sanders, Yu-Ling Cheng, Shari B. Libicki 1989-04-11
4788062 Transdermal administration of progesterone, estradiol esters, and mixtures thereof Robert M. Gale, Diane E. Nedberge, Melinda K. Nelson, Yu-Ling Cheng, Shari B. Libicki 1988-11-29
4764379 Transdermal drug delivery device with dual permeation enhancers Harold F. Sanders, Yu-Ling Cheng, Shari B. Libicki 1988-08-16
4645502 Transdermal delivery of highly ionized fat insoluble drugs Robert M. Gale 1987-02-24
4573995 Transdermal therapeutic systems for the administration of naloxone, naltrexone and nalbuphine Yu-Ling Chen, Leslie L. Chun 1986-03-04
4559222 Matrix composition for transdermal therapeutic system Robert M. Gale 1985-12-17