Inventor · disambiguated record
Richard Clark
Also filed as: CLARK RICHARD · CLARK RICHARD S J
27 granted patents·9 pending applications·396 citations·filing 1991–2017
96Inventor score
Top patents by PatentIndex Score
36 records- 0195US7074798B2Xanthine derivative and DPPIV inhibitorEISAI CO LTD·Filed 2003·Granted Jul 11, 2006·152 cites·9 claims
- 0292US7244730B22-iminopyrrolidine derivativesEISAI CO LTD·Filed 2002·Granted Jul 17, 2007·43 cites·16 claims
- 0389US6884821B1Carboxylic acid derivatives and drugs containing the sameEISAI CO LTD·Filed 2000·Granted Apr 26, 2005·62 cites·1 claims
- 0488US7816522B2Triazolone derivativesEISAI CO LTD·Filed 2007·Granted Oct 19, 2010·13 cites·5 claims
- 0581US7244861B2Benzene compound and salt thereofEISAI CO LTD·Filed 2002·Granted Jul 17, 2007·20 cites·12 claims
- 0680US7772226B2Condensed imidazole derivativesEISAI R&D MAN CO LTD·Filed 2008·Granted Aug 10, 2010·3 cites·7 claims
- 0780US7304083B22-iminoimidazole derivatives (2)EISAI R&D MAN CO LTD·Filed 2002·Granted Dec 4, 2007·12 cites·23 claims
- 0880US6518423B1Benzopiperidine derivativesEISAI CO LTD·Filed 1997·Granted Feb 11, 2003·27 cites·6 claims
- 0978US7371777B2Cyclic compound and PPAR agonistEISAI R&D MAN CO LTD·Filed 2002·Granted May 13, 2008·14 cites·15 claims
- 1071US7807690B22,3-dihydro-iminoisoindole derivativesEISAI R&D MAN CO LTD·Filed 2008·Granted Oct 5, 2010·1 cites·25 claims
- 1169US7687664B2Carboxylic acid derivative, a salt thereof or an ester of them, and medicament comprising itEISAI R&D MAN CO LTD·Filed 2002·Granted Mar 30, 2010·5 cites·25 claims
- 1269US7544835B2Carboxylic acid derivative and salt thereofEISAI R&D MAN CO LTD·Filed 2002·Granted Jun 9, 2009·5 cites·19 claims
- 1369US7253178B2Carboxylic acidsEISAI CO LTD·Filed 2002·Granted Aug 7, 2007·5 cites·15 claims
- 1469US5382579ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jan 17, 1995·9 cites·21 claims
- 1568US8163787B2Triazolone derivativesCLARK RICHARD·Filed 2011·Granted Apr 24, 2012·1 cites·8 claims
- 1668US7928228B2Triazolone derivativesEISAI CO LTD·Filed 2010·Granted Apr 19, 2011·1 cites·35 claims
- 1768US5409909A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1994·Granted Apr 25, 1995·9 cites·12 claims
- 1864US2009215795A1Cyclic amidine derivativesEISAI R&D MAN CO LTD·Filed 2008·Application pending·0 cites
- 1963US8436009B2Prodrug of triazolone compoundCLARK RICHARD·Filed 2011·Granted May 7, 2013·1 cites·18 claims
- 2060US7524847B2Fused 1,3-dihydro-imidazole ring compoundsEISAI R&D MAN CO LTD·Filed 2003·Granted Apr 28, 2009·1 cites·8 claims
- 2156US5221671ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jun 22, 1993·4 cites·15 claims
- 2256US2006063787A1Condensed imidazole derivativesEISAI CO LTD·Filed 2005·Application pending·0 cites
- 2356US2005245592A12-Iminopyrrolidine derivativesSUZUKI SHUICHI·Filed 2005·Application pending·0 cites
- 2454US2004116328A1Condensed imidazole derivativesEISAI CO LTD·Filed 2003·Application pending·0 cites
- 2553US2006100199A1Novel condensed imidazole derivativesYOSHIKAWA SEIJI·Filed 2003·Application pending·0 cites
- 2650US2008132507A1Hydrazide DerivativesEISAI R&D MAN CO LTD·Filed 2005·Application pending·0 cites
- 2745US2004092737A1Benzopiperidine derivativesEISAI CO LTD·Filed 2002·Application pending·0 cites
- 2842US5237091ANaphthalene derivativesEISAI CO LTD·Filed 1992·Granted Aug 17, 1993·2 cites·5 claims
- 2942US2010240654A1Hydrazide derivativesCLARK RICHARD·Filed 2010·Application pending·0 cites
- 3041US5482937A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1994·Granted Jan 9, 1996·1 cites·16 claims
- 3140US2010184981A12,3-dihydro-iminoisoindole derivativesCLARK RICHARD·Filed 2010·Application pending·0 cites
- 3239US5319139ANaphthalene derivativesEISAI CO LTD·Filed 1993·Granted Jun 7, 1994·3 cites·15 claims
- 3337US5262565ANaphthalene derivativesEISAI CO LTD·Filed 1991·Granted Nov 16, 1993·2 cites·12 claims
- 3436US10227349B2Pyrazolo[1,5-a]pyrimidine compoundEISAI R&D MAN CO LTD·Filed 2017·Granted Mar 12, 2019·0 cites·16 claims
- 3534US5438045A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1993·Granted Aug 1, 1995·0 cites·12 claims
- 3631US5468740A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1995·Granted Nov 21, 1995·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →