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USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Titus — 17 Patents

Eli Lilly: 16 patents #182 of 2,858Top 7%
Indianapolis, IN: #323 of 5,011 inventorsTop 7%
Indiana: #1,899 of 33,936 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Robert D. Titus has been granted 17 US patents while listed as an inventor at Eli Lilly. The first was granted in 1984 and the most recent in June 1997. Robert D. Titus ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Robert D. Titus in Indianapolis, IN, US.

Patents per Year

Patents granted per year, 1984 to 1997Bar chart with a peak of 6 patents in 1995.peak 61984: 1 patents19841985: 2 patents19851986: 1 patents19861987: 2 patents19871991: 1 patents19911994: 1 patents19941995: 6 patents19951996: 2 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5637624 Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes and 3-aminochromanes John M. Schaus 1997-06-10 $51,241,000
5571942 Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes and 3-aminochromanes Craig S. Hoechstetter, Diane L. Huser, John M. Schaus 1996-11-05 $72,135,000
5552444 Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes, 3-aminochromanes, and 3-aminothiochromanes John M. Schaus, Craig S. Hoechstetter, Diane L. Huser, Charles J. Paget 1996-09-03 $12,735,000
5470977 Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes, 3-aminochromanes and 3-aminothiochromanes John M. Schaus, Craig S. Hoechstetter, Diane L. Huser, Charles J. Paget 1995-11-28 $31,774,000
5466709 Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes, 3-aminochromanes, and 3-aminothiochromanes John M. Schaus, Craig S. Hoechstetter, Diane L. Huser, Charles J. Paget 1995-11-14 $44,212,000
5457121 Cis-hexahydro-5-(1,2,3,4-tetrahydro-2-naphthalenyl)pyrrolo<3,4-c> pyrroles as inhibitors of serotonin reuptake John M. Schaus 1995-10-10 $13,063,000
5426226 Intermediates for making ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes and 3-aminochromanes Craig S. Hoechstetter, Diane L. Huser, John M. Schaus 1995-06-20
5426229 Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes, 3-aminochromanes, and 3-aminothiochromanes John M. Schaus, Craig S. Hoechstetter, Diane L. Huser, Charles J. Paget 1995-06-20 $26,348,000
5389687 Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes John M. Schaus 1995-02-14 $58,303,000
5286753 Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes and pharmaceutical compositions thereof John M. Schaus, Craig S. Hoechstetter, Diane L. Huser, Charles J. Paget 1994-02-15 $32,714,000
5026707 Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes James A. Nixon, Richard P. Pioch, John M. Schaus 1991-06-25 $53,750,000
4698347 Octahydro-oxazolo[4,5-g]quinolines derivatives and decahydro quinoline intermediates and their use as dopamine D-2 agonists John M. Schaus 1987-10-06 $12,721,000
4659832 Process for the preparation of octahydro-oxazolo [4,5-G]quinolines John M. Schaus 1987-04-21 $9,711,000
4600777 Method of preparing 1-alkyl-7-oxodecahydroquinolines, and cis(.+-.) and tran(.+-.)isomers so prepared Diane L. Huser, John M. Schaus, Leland O. Weigel 1986-07-15 $21,550,000
4537893 Octahydrothiazolo[4,5-g]quinolines and use as prolactin secretion inhibitors Edmund C. Kornfeld 1985-08-27 $1,564,000
4500545 Hydroxyaminotetralincarboxamides Nicholas J. Bach, Edmund C. Kornfeld 1985-02-19 $4,594,000
4448990 Hydroxyaminotetralincarboxamides Nicholas J. Bach, Edmund C. Kornfeld 1984-05-15 $9,051,000