public kk traded as tyo 4523 topix 100 component nikkei 225 component industry pharmaceuticals founded december 6 1941 ; 74 years ago 1941 12 06 founder toyoji naito headquarters 4 6 10 koishikawa bunkyo ku tokyo 112 8088 japan key people haruo naito president and ceo products halaven aricept pariet banzel zonegran fycompa zebinix revenue us 5.82 billion fy 2013 jpy 600.4 billion fy 2013 net income us 320 million fy 2013 jpy 33 billion fy 2013 number of employees 10 419 consolidated as of march 31 2014 website official website footnotes references 1 eisai co. ltd. zai kabushiki gaisha is a japanese pharmaceutical company headquartered in tokyo japan . it has some 10 000 employees among them about 1 500 in research . eisai is listed on the tokyo stock exchange and is a member of the topix 100 and nikkei 225 stock indices . 2 contents 1 history 2 locations 3 products 3.1 aricept 4 references 5 external links history edit nihon eisai co. ltd. was established in 1941 . in 1944 merger with sakuragaoka research laboratory resulted in creation of eisai co. ltd. 3 the american subsidiary of the company eisai inc. was established in 1995 . 4 in 1996 eisai received approval from the united states food and drug administration usfda for aricept donepezil a drug discovered in the company s labs and co marketed with pfizer . three years later in 1999 the company received usfda approval for aciphex rabeprazole a drug co marketed with johnson & johnson . in september 2006 the company acquired four oncology products from ligand pharmaceuticals . in april 2007 eisai acquired exton pennsylvania based morphotek a company developing therapeutic monoclonal antibodies for the treatment of cancer rheumatoid arthritis and infectious diseases . in december 2007 eisai acquired mgi pharma a company specializing in oncology for 3.9 billion usd . this event brought dacogen decitabine aloxi palonosetron hexalen altretamine for ovarian cancer and the gliadel wafer carmustine for brain tumors into the eisai product portfolio . in 2009 eisai received the corporate award from the national organization for rare disorders nord for the development of banzel . 5 locations edit eisai head office in tokyo eisai co. ltd. is based in tokyo japan while its american subsidiary eisai inc. is headquartered in woodcliff lake new jersey . eisai maintains medical research headquarters in woodcliff lake new jersey as well as locations in japan the united kingdom the research triangle in north carolina and massachusetts where the eisai research institute is based . the company has manufacturing sites in japan north carolina usa maryland usa bogor indonesia suzhou china tainan taiwan visakhapatnam india and hatfield hertfordshire uk . eisai has marketing operations in 19 european countries as well as the asia pacific region . products edit some of the key products that eisai produces or markets with partners include aciphex pariet rabeprazole gastroesophageal reflux disease actonel risedronic acid osteoporosis japan aloxi palonosetron chemotherapy induced nausea and vomiting aricept donepezil mild to moderate dementia for alzheimer s disease patients banzel inovelon rufinamide seizures related to lennox gastaut syndrome belviq lorcaserin obesity fragmin dalteparin deep vein thrombosis and pulmonary embolism fycompa perampanel partial onset seizures halaven eribulin metastatic breast cancer iomeron non ionic contrast medium methylcobal peripheral neuropathy myonal muscle relaxant selbex gastric ulcers and gastritis zonegran zonisamide partial onset seizures gliadel wafer carmustine treatment for brain tumors lenvima lenvatinib thyroid cancer or kidney cancer aricept edit aricept accounted for 40 % of eisai s revenue as of march 2010 . 6 the main competitor to aricept is a generic formulation from ranbaxy labs . 6 eisai has pursued development of alternative formulations in order to extend the marketable lifetime of the product . 6 references edit corporate information . eisai co. ltd. retrieved february 9 2015 . self published source components nikkei stock average . nihon keizai shimbun . retrieved february 9 2015 . winograd claudia october 16 2007 . eisai japan . in colditz graham a. encyclopedia of cancer and society . sage publications . doi 10.4135 9781412953979 . isbn 9781412949897 . retrieved february 9 2015 . lonnel coats appointed president & chief executive officer of eisai inc. . businesswire . retrieved february 9 2015 . nord to honor rare disease pioneers . pr newswire . may 11 2009 . archived from the original on february 9 2015 . retrieved february 9 2015 . a b c kanoko matsuyama april 25 2011 . eisai aricept patch for alzheimer s isn t ready for approval . bloomberg l.p. retrieved april 25 2011 . external links edit japan portal medicine portal companies portal official website eisai awards michael rosen may 9 2006 . big pharma companies of 2005 . wtn news . retrieved 6 november 2015 . company history books shashi . shashi interest group . april 2016 . wiki collection of bibliographic works on eisai v t e topix 100 companies of japan core 30 7 & i astellas canon denso fanuc hitachi honda jr central jr east jt kddi mitsubishi corporation mitsubishi estate mitsui & co. mitsui fudosan mizuho mufg murata nissan nomura ntt ntt docomo panasonic shin etsu softbank sony sumitomo mitsui financial takeda tokio marine toyota large 70 on ajinomoto ana asahi breweries asahi kasei bank of yokohama bridgestone chubu electric power dai ichi life daiichi sankyo daikin daito trust construction daiwa house daiwa securities eisai fast retailing fujifilm fuji heavy industries fujitsu hoya inpex isuzu itochu japan airlines jr west jfe jx kao kepco keyence kirin komatsu kubota kyocera marubeni mazda mitsubishi chemical mitsubishi electric mitsubishi heavy industries ms & ad nidec nintendo nitto denko nssmc ono pharmaceutical oriental land orix osaka gas otsuka pharmaceutical rakuten resona secom sekisui house shionogi shiseido smc sompo holdings sumitomo corporation sumitomo electric sumitomo metal mining sumitomo mitsui trust sumitomo realty suzuki t & d holdings tokyo electron tokyo gas toray toshiba unicharm yamato transport v t e nikkei 225 companies of japan 7 & i advantest on agc ajinomoto alps ana amada aozora bank asahi breweries asahi kasei astellas bridgestone canon casio chiba bank chiyoda chuden chugai citizen comsys concordia financial credit saison dai ichi life daiichi sankyo daikin dainippon screen dainippon sumitomo pharma daiwa house daiwa securities denka denso dentsu dnp dowa ebara eisai fanuc fast retailing fuji electric fuji heavy industries fujifilm fujikura fujitsu fukuoka financial furukawa co. ltd. furukawa electric gs yuasa heiwa real estate hino hitachi hitachi construction machinery hitz hokuetsu paper honda ihi inpex isetan mitsukoshi isuzu itochu jfe j. front retailing jgc jr central jr east jr west jsw jt jtekt jx kajima kepco kao kawasaki kddi keio keisei kikkoman kirin k line kobelco komatsu konami konica minolta kubota kuraray kyocera kyowa hakko kirin marubeni maruha nichiro marui matsui securities mazda meidensha meiji holdings mes minebea mitsubishi chemical mitsubishi corporation mitsubishi electric mitsubishi estate mitsubishi heavy industries mitsubishi logistics mitsubishi materials mitsubishi motors mitsui & co. mitsui chemicals mitsui fudosan mitsui kinzoku mitsumi electric mizuho mol ms & ad mufg nec neg ngk nichirei nikon nippon express nippon kayaku nippon light metal nippon ham nippon paper industries nippon soda nippon suisan nissan nissan chemical nisshin seifun nisshin steel nisshinbo nittobo nitto denko sompo japan nipponkoa holdings nomura nsg nsk nssmc ntn ntt ntt data ntt docomo nyk obayashi odakyu oji holdings corporation oki okuma olympus osaka gas pacific metals panasonic pioneer resona ricoh sapporo holdings secom sekisui house sharp shimz shin etsu shinsei bank shionogi shiseido shizuoka bank showa denko showa shell sky perfect jsat softbank sojitz sony sony financial sumco sumitomo chemical sumitomo corporation sumitomo electric sumitomo heavy industries sumitomo metal mining sumitomo mitsui financial sumitomo mitsui trust sumitomo osaka cement sumitomo realty suzuki t & d taiheiyo cement taisei taiyo yuden takara takashimaya takeda tdk teijin tepco terumo tobu toho toho zinc tokai carbon tokuyama corporation toyo seikan tokio marine tokyo dome tokyo electron tokyo gas tokyo tatemono tokyu tokyu land toppan toray toshiba tosoh toto toyobo toyota toyota tsusho trend micro ube unitika uny yahoo japan yamaha yamato transport yasakawa yokogawa electric yokohama rubber retrieved from https en.wikipedia.org w index.php title eisai company & oldid 742703098 categories topix 100nikkei 225pharmaceutical companies of japanlife sciences industrycompanies based in tokyocompanies listed on the tokyo stock exchangecompanies established in 19411941 establishments in japanjapanese brandshidden categories accuracy disputes from march 2015use mdy dates from february 2015official website different in wikidata and wikipediaarticles containing japanese language text navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutsch fran ais portugu s edit links this page was last modified on 5 october 2016 at 07 43 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a 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