Assignee
EISAI CO LTD
JP648 patents
Top patents by PatentIndex Score
US7253286B2Aug 7, 2007
Nitrogen-containing aromatic derivatives
EISAI CO LTD207 citations98
US5716993AFeb 10, 1998
Anthranilic acid derivatives
EISAI CO LTD116 citations98
US5693652ADec 2, 1997
Benzimidazoles for ischemic heart conditions
EISAI CO LTD141 citations98
US5576322ANov 19, 1996
Anti-ischemic 2,4-diaminoquinazolines
EISAI CO LTD113 citations98
US5100901AMar 31, 1992
Cyclic amine compounds and pharmaceutical use
EISAI CO LTD128 citations98
US5093140AMar 3, 1992
Aqueous bactericide for animal treatment
EISAI CO LTD171 citations98
US5045552ASep 3, 1991
Pyridine derivatives having anti-ulcerative activity
EISAI CO LTD140 citations98
US4895841AJan 23, 1990
Cyclic amine compounds with activity against acetylcholinesterase
EISAI CO LTD325 citations98
US6790844B2Sep 14, 2004
Certain 1,3-disubstituted isoquinoline derivatives
EISAI CO LTD89 citations97
US6787534B2Sep 7, 2004
Sulfonamide-containing heterocyclic compounds
EISAI CO LTD82 citations97
US6579868B1Jun 17, 2003
Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes
EISAI CO LTD151 citations97
US6469182B1Oct 22, 2002
Intermediates in the preparation of macrocyclic analogs
EISAI CO LTD89 citations97
US6214865B1Apr 10, 2001
Macrocyclic analogs and methods of their use and preparation
EISAI CO LTD168 citations97
US5612356AMar 18, 1997
Heterocycle-containing carbonic acid derivatives
EISAI CO LTD106 citations97
US7265108B2Sep 4, 2007
Nitrogen containing heterocyclic compounds and medicines containing the same
EISAI CO LTD89 citations96
US7074798B2Jul 11, 2006
Xanthine derivative and DPPIV inhibitor
EISAI CO LTD152 citations96
US7074801B1Jul 11, 2006
Nitrogen-containing condensed cyclic compound having a pyrazolyl group as a substituent group and pharmaceutical composition thereof
EISAI CO LTD226 citations96
US6995144B2Feb 7, 2006
Nitrogen containing heterocyclic compounds and medicines containing the same
EISAI CO LTD78 citations96
US6653341B1Nov 25, 2003
Methods and compositions for use in treating cancer
EISAI CO LTD93 citations96
US6630463B2Oct 7, 2003
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD62 citations96
US6448243B1Sep 10, 2002
1,4-substituted cyclic amine derivatives
EISAI CO LTD55 citations96
US6340759B1Jan 22, 2002
Fused pyridine derivatives
EISAI CO LTD73 citations96
US6329402B1Dec 11, 2001
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD47 citations96
US5977108ANov 2, 1999
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD68 citations96
US5935938AAug 10, 1999
Substituted liposaccharides useful in the treatment and prevention of endotoxemia
EISAI CO LTD32 citations96
US5849741ADec 15, 1998
Fused pyridazine compounds
EISAI CO LTD50 citations96
US5756718AMay 26, 1998
Anti-endotoxin compounds
EISAI CO LTD47 citations96
US5681824AOct 28, 1997
Substituted liposaccharides useful in the treatment and prevention of endotoxemia
EISAI CO LTD69 citations96
US5614627AMar 25, 1997
Quinazoline compounds
EISAI CO LTD92 citations96
US5530113AJun 25, 1996
Anti-endotoxin compounds
EISAI CO LTD72 citations96
US5034418AJul 23, 1991
Diphenylethylene derivatives, pharmaceutical compositions containing same and treatment methods
EISAI CO LTD32 citations96
US4844905AJul 4, 1989
Granule remaining in stomach
EISAI CO LTD119 citations96
US4613593ASep 23, 1986
Therapeutic and preventive agent containing dolichol
EISAI CO LTD124 citations96
US6576677B1Jun 10, 2003
Medicinal compositions with relieved bitterness
EISAI CO LTD52 citations95
US6184366B1Feb 6, 2001
Substituted liposaccharides useful in the treatment and prevention of endotoxemia
EISAI CO LTD30 citations95
US5985864ANov 16, 1999
Polymorphs of donepezil hydrochloride and process for production
EISAI CO LTD118 citations95
US5801180ASep 1, 1998
Quinazoline derivatives
EISAI CO LTD91 citations95
US5721246AFeb 24, 1998
Heterobicyclic sulfonamide and sulfonic ester derivatives
EISAI CO LTD101 citations95
US5719303AFeb 17, 1998
Phosphonic acid derivatives
EISAI CO LTD70 citations95
US5610320AMar 11, 1997
Sulfonamide phenyl substituted compounds
EISAI CO LTD42 citations95
US5385942AJan 31, 1995
Quinone derivatives and pharmacological use
EISAI CO LTD48 citations95
US5292758AMar 8, 1994
Sulfonamide derivatives
EISAI CO LTD39 citations95
US5281626AJan 25, 1994
Benzenesulfonamide derivatives
EISAI CO LTD49 citations95
US5250549AOct 5, 1993
Sulfonamide derivatives
EISAI CO LTD63 citations95
US5210239AMay 11, 1993
Ouinone derivatives and pharmacological use
EISAI CO LTD49 citations95
US5118684AJun 2, 1992
Piperdine derivative and pharmaceutical composition
EISAI CO LTD32 citations95
US4921863AMay 1, 1990
Cyclic amine derivatives
EISAI CO LTD87 citations95
US4301169ANov 17, 1981
Novel imidazole compound and anti-depressing agent containing the same
EISAI CO LTD36 citations95
US3976764AAug 24, 1976
Solid therapeutic preparation remaining in stomach
EISAI CO LTD92 citations95
US7563808B2Jul 21, 2009
Methods for treating cognitive impairments or dementia
EISAI CO LTD43 citations94
Showing the top 50 of 648 patents by PatentIndex Score.