Inventor · disambiguated record
David N. Stephens
Also filed as: STEPHENS DAVID · STEPHENS DAVID N · STEPHENS DAVID NORMAN
19 granted patents·200 citations·filing 1986–2005
95Inventor score
Top patents by PatentIndex Score
19 records- 0180US4987146AN-hetaryl imidazole derivativesSCHERING AG·Filed 1989·Granted Jan 22, 1991·28 cites·11 claims
- 0274US4719210A3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazepine receptor antagonists or agonistsSCHERING AG·Filed 1986·Granted Jan 12, 1988·19 cites·14 claims
- 0373US4778800A3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and their use as psychotropic agentsSCHERING AG·Filed 1986·Granted Oct 18, 1988·18 cites·16 claims
- 0469US5385903APharmaceutical agent for treatment of withdrawal symptomsSCHERING AG·Filed 1992·Granted Jan 31, 1995·30 cites·11 claims
- 0566US7527021B2Non-invasive drug self-administration system for animalsUNIV VIRGINIA·Filed 2005·Granted May 5, 2009·15 cites·7 claims
- 0666US4933345AIsoxazole-β-carboline derivativesSCHERING AG·Filed 1988·Granted Jun 12, 1990·14 cites·17 claims
- 0764US4952698AImidazole derivativesSCHERING AG·Filed 1987·Granted Aug 28, 1990·11 cites·6 claims
- 0864US4877792AHeteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agentsSCHERING AG·Filed 1987·Granted Oct 31, 1989·9 cites·18 claims
- 0960US4945090APhenoxy-substituted beta-carboline derivatives, their production and their use as drugsSCHERING AG·Filed 1986·Granted Jul 31, 1990·9 cites·22 claims
- 1058US5348958AHetaryloxy-β-carbolines, and use as pharmaceutical agents for treating epilepsy and anxietySCHERING AG·Filed 1992·Granted Sep 20, 1994·11 cites·6 claims
- 1154US4960777AHeteroaryloxy-β-carboline derivatives, their preparation and their use as medicinal agentsSCHERING AG·Filed 1989·Granted Oct 2, 1990·5 cites·17 claims
- 1247US4855295ATetrahydro-beta-carbolines, and their use as drugsSCHERING AG·Filed 1986·Granted Aug 8, 1989·4 cites·11 claims
- 1346US4757070A3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions and useSCHERING AG·Filed 1987·Granted Jul 12, 1988·3 cites·9 claims
- 1445US4731365A5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions and useSCHERING AG·Filed 1986·Granted Mar 15, 1988·3 cites·12 claims
- 1543US5614509APharmaceutical agents for preventing the development of tolerance during the treatment with benzodiazepine-receptor-binding active ingredientsSCHERING AG·Filed 1993·Granted Mar 25, 1997·10 cites·10 claims
- 1641US6057304AQuinoxaline-phosphonic acid derivativesSCHERING AG·Filed 1995·Granted May 2, 2000·2 cites·5 claims
- 1739US6191132B1Use of quisqualate receptor antagonistsSCHERING AG·Filed 1993·Granted Feb 20, 2001·8 cites·21 claims
- 1831US5698555AHetaryloxy-β-carbolines, their production and use in pharmaceutical agentsSCHERING AG·Filed 1994·Granted Dec 16, 1997·0 cites·5 claims
- 1930US6288065B1Quinoxaline-carboxylic acid derivativesSCHERING AKTIENGESEELLSCHAFT·Filed 1998·Granted Sep 11, 2001·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →