Inventor · disambiguated record
Hisashi Takahashi
Also filed as: TAKAHASHI HISASHI
25 granted patents·7 pending applications·150 citations·filing 1992–2013
95Inventor score
Files withDAIICHI SEIYAKU CO21TAKAHASHI HISASHI4DAIICHI SANKYO CO LTD3DAIICHO PHARMACEUTICAL CO LTD1
Top patents by PatentIndex Score
32 records- 0188US7563805B2Tri-, tetra-substituted-3-aminopyrrolidine derivativeDAIICHI SEIYAKU CO·Filed 2006·Granted Jul 21, 2009·12 cites·33 claims
- 0285US6900225B2Quinolonecarboxylic acid derivativeDAIICHI SEIYAKU CO·Filed 2001·Granted May 31, 2005·19 cites·6 claims
- 0383US6184388B1Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 1999·Granted Feb 6, 2001·29 cites·4 claims
- 0481US6121285ASubstituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 1998·Granted Sep 19, 2000·26 cites·47 claims
- 0577US8211910B2Tri-, tetra-substituted-3-aminopyrrolidine derivativeTAKAHASHI HISASHI·Filed 2009·Granted Jul 3, 2012·2 cites·22 claims
- 0674US7977327B2Substituted pyrrolidine derivativeDAIICHI SANKYO CO LTD·Filed 2005·Granted Jul 12, 2011·1 cites·19 claims
- 0773US6762181B1Aminomethylpyrrolidine derivatives having aromatic substituentsDAIICHI SEIYAKU CO·Filed 2000·Granted Jul 13, 2004·5 cites·34 claims
- 0872US6384050B1Tricyclic amine derivativesDAIICHI SEIYAKU CO·Filed 1997·Granted May 7, 2002·15 cites·36 claims
- 0969US7176313B2Anti acid-fast bacterial agent containing pyridonecarboxylic acids as active ingredientDAIICHI SEIYAKU CO·Filed 2001·Granted Feb 13, 2007·5 cites·1 claims
- 1065US6949662B2Cis-substituted aminocyclopropane derivativeDAIICHI SEIYAKU CO·Filed 2002·Granted Sep 27, 2005·2 cites·7 claims
- 1164US6656952B2Cis-substituted fluoromethylpyrrolidine derivativeDAIICHI SEIYAKU CO·Filed 1998·Granted Dec 2, 2003·10 cites·13 claims
- 1260US7902226B2Dehalogeno-compoundsDAIICHI SEIYAKU CO·Filed 2006·Granted Mar 8, 2011·0 cites·77 claims
- 1359US8618094B2Fused substituted aminopyrrolidine derivativeTAKAHASHI HISASHI·Filed 2009·Granted Dec 31, 2013·0 cites·36 claims
- 1459US6462040B1Cis-substituted aminocyclopropane derivativeDAIICHO PHARMACEUTICAL CO LTD·Filed 2001·Granted Oct 8, 2002·2 cites·10 claims
- 1558US2004142957A1Quinolonecarboxylic acid derivativesDAIICHI SEIYAKU CO·Filed 2004·Application pending·0 cites
- 1656US8476429B2Tri-, tetra-substituted-3-aminopyrrolidine derivativeTAKAHASHI HISASHI·Filed 2012·Granted Jul 2, 2013·0 cites·12 claims
- 1751US7186843B2Aminomethylpyrrolidine derivatives having aromatic substituentsDAIICHI SEIYAKU CO·Filed 2004·Granted Mar 6, 2007·0 cites·13 claims
- 1850US2014142096A1Fused Substituted Aminopyrrolidine DerivativeDAIICHI SANKYO CO LTD·Filed 2013·Application pending·0 cites
- 1949US7842818B2Process for preparation of tetrasubstituted 5-azaspiro[2.4]- heptane derivatives and optically active intermediates thereofDAIICHI SANKYO CO LTD·Filed 2006·Granted Nov 30, 2010·0 cites·14 claims
- 2049US6586604B2Tricyclic amine derivativesDAIICHI SEIYAKU CO·Filed 2001·Granted Jul 1, 2003·0 cites·8 claims
- 2149US5696132APyridonecarboxylic acid derivativesDAIICHI SEIYAKU CO·Filed 1992·Granted Dec 9, 1997·8 cites·11 claims
- 2247US8455482B2Substituted pyrrolidine derivativeTAKAHASHI HISASHI·Filed 2011·Granted Jun 4, 2013·0 cites·17 claims
- 2347US7723524B28-cyanoquinolonecarboxylic acid derivativeDAIICHI SEIYAKU CO·Filed 2004·Granted May 25, 2010·0 cites·22 claims
- 2447US2005113397A1Imidazo[1,2-a]pyridine derivativeFiled 2003·Application pending·0 cites
- 2545US2004063754A1Dehalogeno compoundsFiled 2001·Application pending·0 cites
- 2644US6573260B1Cycloalkyl-substituted aminomethylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 1999·Granted Jun 3, 2003·5 cites·17 claims
- 2743US6448266B1Substituted cyclobutylamine derivativesDAIICHI SEIYAKU CO·Filed 1998·Granted Sep 10, 2002·5 cites·22 claims
- 2841US2002193591A1Process for producing 5-amino-8-alkylquinolonecarboxylic acid derivative and intermediates in the production thereofDAIICHI SEIYAKU CO·Filed 2002·Application pending·0 cites
- 2939US2004097515A1Antimicrobial drug reduced in effect on heartFiled 2002·Application pending·0 cites
- 3038US2002077345A1Cis-substituted aminocycloalkylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 2001·Application pending·0 cites
- 3136US6191129B1Bicyclic amine derivativeDAIICHI SEIYAKU CO·Filed 1997·Granted Feb 20, 2001·2 cites·24 claims
- 3234US6391889B2Cis-substituted aminocyclopropane derivativesDAIICHI SEIYAKU CO·Filed 1997·Granted May 21, 2002·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →