Assignee
EISAI CO LTD
648 granted patents·77 pending applications·12,233 citations·filing 1973–2013
Top patents by PatentIndex Score
725 records- 0198US5093140AAqueous bactericide for animal treatmentEISAI CO LTD·Filed 1989·Granted Mar 3, 1992·171 cites·14 claims
- 0297US7253286B2Nitrogen-containing aromatic derivativesEISAI CO LTD·Filed 2003·Granted Aug 7, 2007·207 cites·15 claims
- 0397US6790844B2Certain 1,3-disubstituted isoquinoline derivativesEISAI CO LTD·Filed 2001·Granted Sep 14, 2004·89 cites·15 claims
- 0497US5716993AAnthranilic acid derivativesEISAI CO LTD·Filed 1994·Granted Feb 10, 1998·116 cites·7 claims
- 0597US5045552APyridine derivatives having anti-ulcerative activityEISAI CO LTD·Filed 1989·Granted Sep 3, 1991·140 cites·6 claims
- 0697US4895841ACyclic amine compounds with activity against acetylcholinesteraseEISAI CO LTD·Filed 1988·Granted Jan 23, 1990·325 cites·13 claims
- 0797US4039559AAliphatic carboxylic acid esters of Vitamin E and process for preparation thereofEISAI CO LTD·Filed 1975·Granted Aug 2, 1977·46 cites·8 claims
- 0896US7265108B2Nitrogen containing heterocyclic compounds and medicines containing the sameEISAI CO LTD·Filed 2005·Granted Sep 4, 2007·89 cites·15 claims
- 0996US6653341B1Methods and compositions for use in treating cancerEISAI CO LTD·Filed 2002·Granted Nov 25, 2003·93 cites·33 claims
- 1096US6579868B1Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetesEISAI CO LTD·Filed 1998·Granted Jun 17, 2003·151 cites·22 claims
- 1196US4921863ACyclic amine derivativesEISAI CO LTD·Filed 1986·Granted May 1, 1990·87 cites·32 claims
- 1296US4613593ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Sep 23, 1986·124 cites·4 claims
- 1396US4301169ANovel imidazole compound and anti-depressing agent containing the sameEISAI CO LTD·Filed 1979·Granted Nov 17, 1981·36 cites·11 claims
- 1495US7074801B1Nitrogen-containing condensed cyclic compound having a pyrazolyl group as a substituent group and pharmaceutical composition thereofEISAI CO LTD·Filed 2002·Granted Jul 11, 2006·226 cites·17 claims
- 1595US7074798B2Xanthine derivative and DPPIV inhibitorEISAI CO LTD·Filed 2003·Granted Jul 11, 2006·152 cites·9 claims
- 1695US6576646B1Methods for treating cognitive impairments caused by traumatic brain injuriesEISAI CO LTD·Filed 2002·Granted Jun 10, 2003·59 cites·16 claims
- 1795US6469182B1Intermediates in the preparation of macrocyclic analogsEISAI CO LTD·Filed 2001·Granted Oct 22, 2002·89 cites·1 claims
- 1895US6214865B1Macrocyclic analogs and methods of their use and preparationEISAI CO LTD·Filed 1999·Granted Apr 10, 2001·168 cites·21 claims
- 1995US5614627AQuinazoline compoundsEISAI CO LTD·Filed 1994·Granted Mar 25, 1997·92 cites·3 claims
- 2095US5390469AFilling/sealing apparatus for ampule or the like and method for monitoring this apparatusEISAI CO LTD·Filed 1993·Granted Feb 21, 1995·104 cites·10 claims
- 2195US5250549ASulfonamide derivativesEISAI CO LTD·Filed 1991·Granted Oct 5, 1993·63 cites·9 claims
- 2295US5100901ACyclic amine compounds and pharmaceutical useEISAI CO LTD·Filed 1989·Granted Mar 31, 1992·128 cites·17 claims
- 2394US7585976B2Hemiasterlin derivatives and uses thereofEISAI CO LTD·Filed 2006·Granted Sep 8, 2009·13 cites·10 claims
- 2494US6689795B2Methods for treating dementia due to HIV diseaseEISAI CO LTD·Filed 2002·Granted Feb 10, 2004·61 cites·25 claims
- 2594US6630463B2Heterocycle-containing carboxylic acid derivative and drug containing the sameEISAI CO LTD·Filed 2001·Granted Oct 7, 2003·62 cites·11 claims
- 2694US6482838B2Methods for treating cognitive impairments caused by traumatic brain injuriesEISAI CO LTD·Filed 2001·Granted Nov 19, 2002·71 cites·18 claims
- 2794US6365759B1Intermediate compounds for preparing macrocylcic analogsEISAI CO LTD·Filed 2000·Granted Apr 2, 2002·62 cites·4 claims
- 2894US6340759B1Fused pyridine derivativesEISAI CO LTD·Filed 1998·Granted Jan 22, 2002·73 cites·12 claims
- 2994US5721246AHeterobicyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1994·Granted Feb 24, 1998·101 cites·19 claims
- 3094US5693652ABenzimidazoles for ischemic heart conditionsEISAI CO LTD·Filed 1995·Granted Dec 2, 1997·141 cites·7 claims
- 3194US4064169ABis-(meta-amidinophenoxy)-compounds and pharmacologically acceptable acid addition salts thereofEISAI CO LTD·Filed 1977·Granted Dec 20, 1977·50 cites·5 claims
- 3293US7563808B2Methods for treating cognitive impairments or dementiaEISAI CO LTD·Filed 2003·Granted Jul 21, 2009·43 cites·14 claims
- 3393US7528152B2Hemiasterlin derivatives and uses thereof in the treatment of cancerEISAI CO LTD·Filed 2007·Granted May 5, 2009·19 cites·26 claims
- 3493US7064211B2Hemiasterlin derivatives and uses thereofEISAI CO LTD·Filed 2003·Granted Jun 20, 2006·28 cites·18 claims
- 3593US6995144B2Nitrogen containing heterocyclic compounds and medicines containing the sameEISAI CO LTD·Filed 2003·Granted Feb 7, 2006·78 cites·29 claims
- 3693US6787534B2Sulfonamide-containing heterocyclic compoundsEISAI CO LTD·Filed 2000·Granted Sep 7, 2004·82 cites·9 claims
- 3793US6458807B1Methods for treating vascular dementiaEISAI CO LTD·Filed 2001·Granted Oct 1, 2002·46 cites·11 claims
- 3893US5985864APolymorphs of donepezil hydrochloride and process for productionEISAI CO LTD·Filed 1997·Granted Nov 16, 1999·118 cites·33 claims
- 3993US5576322AAnti-ischemic 2,4-diaminoquinazolinesEISAI CO LTD·Filed 1992·Granted Nov 19, 1996·113 cites·11 claims
- 4093US5385942AQuinone derivatives and pharmacological useEISAI CO LTD·Filed 1993·Granted Jan 31, 1995·48 cites·19 claims
- 4193US5210239AOuinone derivatives and pharmacological useEISAI CO LTD·Filed 1990·Granted May 11, 1993·49 cites·26 claims
- 4293US5093200AMultilayer sustained release granuleEISAI CO LTD·Filed 1988·Granted Mar 3, 1992·86 cites·13 claims
- 4393US4181803APropiophenone derivatives and preparation thereofEISAI CO LTD·Filed 1976·Granted Jan 1, 1980·27 cites·4 claims
- 4492US7244730B22-iminopyrrolidine derivativesEISAI CO LTD·Filed 2002·Granted Jul 17, 2007·43 cites·16 claims
- 4592US6326382B1Heterocyclic-cyclic amine derivativesEISAI CO LTD·Filed 2000·Granted Dec 4, 2001·26 cites·5 claims
- 4692US5719303APhosphonic acid derivativesEISAI CO LTD·Filed 1994·Granted Feb 17, 1998·70 cites·21 claims
- 4792US5292758ASulfonamide derivativesEISAI CO LTD·Filed 1992·Granted Mar 8, 1994·39 cites·4 claims
- 4892US4064235ADopamine derivative compounds, preparation thereof and medicine containing sameEISAI CO LTD·Filed 1976·Granted Dec 20, 1977·69 cites·14 claims
- 4991US6245911B1Donepezil polycrystals and process for producing the sameEISAI CO LTD·Filed 1998·Granted Jun 12, 2001·82 cites·21 claims
- 5091US5849741AFused pyridazine compoundsEISAI CO LTD·Filed 1995·Granted Dec 15, 1998·50 cites·5 claims
Showing the top 50 of 725 patent records by PatentIndex Score.
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