Assignee
DAIICHI SEIYAKU CO
248 granted patents·54 pending applications·3,579 citations·filing 1973–2014
Top patents by PatentIndex Score
302 records- 0196US5681954APiperazine derivativesDAIICHI SEIYAKU CO·Filed 1995·Granted Oct 28, 1997·130 cites·14 claims
- 0296US4382892ABenzoxazine derivativesDAIICHI SEIYAKU CO·Filed 1981·Granted May 10, 1983·167 cites·8 claims
- 0395US4687661AMethod for producing liposomesDAIICHI SEIYAKU CO·Filed 1984·Granted Aug 18, 1987·153 cites·13 claims
- 0494US6835807B1Drug complex and drug delivery systemDAIICHI SEIYAKU CO·Filed 1999·Granted Dec 28, 2004·166 cites·20 claims
- 0594US5053407AOptically active pyridobenzoxazine derivatives and anti-microbial useDAIICHI SEIYAKU CO·Filed 1986·Granted Oct 1, 1991·58 cites·6 claims
- 0693US7691894B2Cyclohexanecarboxylic acid compoundDAIICHI SEIYAKU CO·Filed 2004·Granted Apr 6, 2010·46 cites·2 claims
- 0793US7157487B2Vla-4 inhibitorsDAIICHI SEIYAKU CO·Filed 2001·Granted Jan 2, 2007·96 cites·21 claims
- 0893US5098912APyridonecarboxylic acid derivativesDAIICHI SEIYAKU CO·Filed 1989·Granted Mar 24, 1992·32 cites·14 claims
- 0992US7041818B2DDS compound and method for measurement thereofDAIICHI SEIYAKU CO·Filed 2004·Granted May 9, 2006·67 cites·20 claims
- 1092US5834476AHexa-cyclic compoundDAIICHI SEIYAKU CO·Filed 1997·Granted Nov 10, 1998·50 cites·15 claims
- 1192US4985557AOptically active pyridobenzoxazine derivatives and intermediates thereofDAIICHI SEIYAKU CO·Filed 1989·Granted Jan 15, 1991·40 cites·1 claims
- 1291US6287596B1Quickly disintegratable compression-molded materials and process for producing the sameDAIICHI SEIYAKU CO·Filed 1997·Granted Sep 11, 2001·162 cites·65 claims
- 1391US4939255AHexa-cyclic camptothecin derivativesDAIICHI SEIYAKU CO·Filed 1988·Granted Jul 3, 1990·35 cites·3 claims
- 1491US4101536AMuramyldipeptide derivatives and process for the preparation thereofDAIICHI SEIYAKU CO·Filed 1977·Granted Jul 18, 1978·60 cites·9 claims
- 1590US4778891ACertain pyrano (3,4-f)-indolizine derivativesDAIICHI SEIYAKU CO·Filed 1986·Granted Oct 18, 1988·33 cites·3 claims
- 1689US6525042B1Sulfonyl derivativesDAIICHI SEIYAKU CO·Filed 1998·Granted Feb 25, 2003·59 cites·12 claims
- 1788US7563805B2Tri-, tetra-substituted-3-aminopyrrolidine derivativeDAIICHI SEIYAKU CO·Filed 2006·Granted Jul 21, 2009·12 cites·33 claims
- 1888US5376380AMethod of producing liposomal products from freeze or spray-dried preparations of liposomesDAIICHI SEIYAKU CO·Filed 1993·Granted Dec 27, 1994·105 cites·2 claims
- 1988US5286723ASpiro compoundDAIICHI SEIYAKU CO·Filed 1992·Granted Feb 15, 1994·41 cites·34 claims
- 2088US5061795AHexa-cyclic compoundDAIICHI SEIYAKU CO·Filed 1989·Granted Oct 29, 1991·25 cites·14 claims
- 2187US7342014B2Diamine derivativesDAIICHI SEIYAKU CO·Filed 2004·Granted Mar 11, 2008·19 cites·30 claims
- 2287US7192968B2Ethylenediamine derivativesDAIICHI SEIYAKU CO·Filed 2001·Granted Mar 20, 2007·28 cites·20 claims
- 2387US6291671B1Process for producing drug complexesDAIICHI SEIYAKU CO·Filed 1997·Granted Sep 18, 2001·81 cites·13 claims
- 2487US5142046AOptically active pyridobenzoxazine derivatives and intermediates thereofDAIICHI SEIYAKU CO·Filed 1991·Granted Aug 25, 1992·33 cites·1 claims
- 2586US7678919B2Method for producing pentacyclic taxansDAIICHI SEIYAKU CO·Filed 2008·Granted Mar 16, 2010·6 cites·1 claims
- 2686US7576135B2Diamine derivativesDAIICHI SEIYAKU CO·Filed 2003·Granted Aug 18, 2009·16 cites·37 claims
- 2786US4610987AImidazoquinazolin-2-one compoundsDAIICHI SEIYAKU CO·Filed 1984·Granted Sep 9, 1986·21 cites·8 claims
- 2885US7456302B2Method for producing pentacyclic taxansDAIICHI SEIYAKU CO·Filed 2005·Granted Nov 25, 2008·6 cites·5 claims
- 2985US6900225B2Quinolonecarboxylic acid derivativeDAIICHI SEIYAKU CO·Filed 2001·Granted May 31, 2005·19 cites·6 claims
- 3085US4535161ABenzoquinolizine derivativesDAIICHI SEIYAKU CO·Filed 1983·Granted Aug 13, 1985·20 cites·5 claims
- 3184US7381833B2Process for producing 1,2-cis-2-fluorocyclopropane-1-carboxylic ester compoundDAIICHI SEIYAKU CO·Filed 2005·Granted Jun 3, 2008·5 cites·26 claims
- 3284US6747023B1Sulfonyl derivativesDAIICHI SEIYAKU CO·Filed 1999·Granted Jun 8, 2004·33 cites·24 claims
- 3384US6677456B2Pentacyclic taxan compoundDAIICHI SEIYAKU CO·Filed 2002·Granted Jan 13, 2004·14 cites·20 claims
- 3484US4746668AMethod for treating retinopathyDAIICHI SEIYAKU CO·Filed 1986·Granted May 24, 1988·43 cites·4 claims
- 3583US6184388B1Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 1999·Granted Feb 6, 2001·29 cites·4 claims
- 3683US6169086B1Pyrazole derivativesDAIICHI SEIYAKU CO·Filed 1999·Granted Jan 2, 2001·29 cites·7 claims
- 3783US5576343AAromatic amidine derivatives and salts thereofDAIICHI SEIYAKU CO·Filed 1995·Granted Nov 19, 1996·54 cites·14 claims
- 3882US7173008B2Lyophilized HGF preparationsDAIICHI SEIYAKU CO·Filed 2005·Granted Feb 6, 2007·4 cites·9 claims
- 3982US6060080ALiposomal productsDAIICHI SEIYAKU CO·Filed 1995·Granted May 9, 2000·70 cites·14 claims
- 4081US7935824B2Ethylenediamine derivativesDAIICHI SEIYAKU CO·Filed 2009·Granted May 3, 2011·4 cites·15 claims
- 4181US6121285ASubstituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivativesDAIICHI SEIYAKU CO·Filed 1998·Granted Sep 19, 2000·26 cites·47 claims
- 4281US4317771AMuramyldipeptide derivativesDAIICHI SEIYAKU CO·Filed 1980·Granted Mar 2, 1982·25 cites·10 claims
- 4380US6838450B2Drug complexDAIICHI SEIYAKU CO·Filed 2002·Granted Jan 4, 2005·11 cites·17 claims
- 4479US6646123B2Pentacyclic CompoundDAIICHI SEIYAKU CO·Filed 2002·Granted Nov 11, 2003·8 cites·2 claims
- 4579US6613735B2Composition for polypeptide transfer to cellsDAIICHI SEIYAKU CO·Filed 2002·Granted Sep 2, 2003·6 cites·32 claims
- 4678US6552197B2Condensed-hexacyclic compounds and a process thereforDAIICHI SEIYAKU CO·Filed 2001·Granted Apr 22, 2003·11 cites·7 claims
- 4778US5858411ASustained-release granular preparations and production process thereofDAIICHI SEIYAKU CO·Filed 1995·Granted Jan 12, 1999·53 cites·8 claims
- 4878US3963727A1,2 Disubstituted benzimidazole derivativesDAIICHI SEIYAKU CO·Filed 1975·Granted Jun 15, 1976·13 cites·3 claims
- 4977US5380874AIntermediates for pyridonecarboxylic acid derivativesDAIICHI SEIYAKU CO·Filed 1994·Granted Jan 10, 1995·11 cites·6 claims
- 5077US4900815ASulfated polysaccharide DS4152DAIICHI SEIYAKU CO·Filed 1987·Granted Feb 13, 1990·18 cites·14 claims
Showing the top 50 of 302 patent records by PatentIndex Score.
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