OverviewSuggest Edit

Eisai is a research-based human health care company which discovers, develops, packages, and markets pharmaceutical products with focus on neurology, oncology, Alzheimer's disease, epilepsy, and metabolic disorders. It offers a portfolio of tablets and injections for treatment of various diseases. The Company‘s areas of research and development focus include neuroscience, oncology, vascular, inflammatory and immunological reaction, and antibody-based programs.

HQBunkyo City, JP

Latest Updates

Employees (est.) (Mar 2021)11,237(+3%)
Job Openings120
Revenue (FY, 2021)¥645.9 B(-7%)
Share Price (May 2022)$43.7(+5%)
Cybersecurity ratingBMore
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Key People/Management at Eisai

Haruo Naito

Haruo Naito

Chief Executive Officer
Tatsuyuki Yasuno

Tatsuyuki Yasuno

President, Eisai Inc. and the Americas Region
Lynn D. Kramer

Lynn D. Kramer

Chief Clinical Officer, Neurology Business Group
Stephen Davies

Stephen Davies

Vice President, Eisai Strategic Information Systems
Alexander Scott

Alexander Scott

Executive Vice President, Integrity
Takashi Owa

Takashi Owa

Chief Medicine Creation Officer and Chief Discovery Officer, Oncology Business Group
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Eisai Office Locations

Eisai has offices in Bunkyo City, Atsugi, Baltimore, Cambridge and in 24 other locations
Bunkyo City, JP (HQ)
4 Chome-6-10 Koishikawa
Atsugi, JP
Wien, AT
Leonard-Bernstein-Straße 10
Leuven, BE
Brusselsestraat 190/bus 4
Mississauga, CA
6925 Century Ave #701
Benxi Shi, CN
Pingtai 2nd St, Xihu Qu
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Eisai Financials and Metrics

Eisai Revenue

Eisai's revenue was reported to be ¥645.94 b in FY, 2021

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Closing stock price (13-May-2022)


Cash (31-Dec-2021)



Eisai's current market capitalization is $12.5 b.
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Eisai Operating Metrics

Jul, 2018Jul, 2019

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Eisai Acquisitions / Subsidiaries

Company NameDateDeal Size
AkaRxJanuary 07, 2010$255 m
MorphotekMarch 22, 2007$325 m
EA Pharma Co., Ltd.
Eisai AB
Eisai Asia Regional Services Pte. Ltd.
Eisai Australia Pty. Ltd.
Eisai B.V.
Eisai China Holdings Ltd.
Eisai China Inc.
Eisai Clinical Research Singapore Pte. Ltd.
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Eisai Cybersecurity Score

Cybersecurity ratingPremium dataset



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Eisai Environment, Social & Governance (ESG) Ratings

CSRHub ESG ratingPremium dataset


out of 100

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Eisai Online and Social Media Presence

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Eisai News and Updates

Eisai completes rolling submission to the FDA of lecanemab for early Alzheimer's disease under the accelerated approval pathway

STOCKHOLM, May 9, 2022 /PRNewswire/ -- BioArctic AB's (publ) (Nasdaq Stockholm: BIOA B) partner Eisai announced today that they have completed the rolling submission to the U.S. Food and Drug Administration (FDA) of a Biologics License Application (BLA) under the accelerated approval...

Geisinger, Eisai team up to study use of artificial intelligence for early detection and identification of cognitive impairment that could indicate dementias, including Alzheimer's disease

Research collaboration will test novel algorithm's effectiveness on Geisinger data DANVILLE, Pa. and NUTLEY, N.J., April 4, 2022 /PRNewswire/ -- Geisinger and Eisai Inc. today announced a collaborative effort to study the potential effectiveness of an artificial intelligence (AI) tool in...

Humira Market Size by 2021-2027 | Trends, Revenue and Share | Top Players Analysis - AbbVie, Eisai, Cadila Healthcare

Humira market size was USD 17920 million and it is expected to reach USD 10150 million by the end of 2027. Humira market size was USD 17920 million and it is expected to reach USD 10150 million by the end of 2027.

Dow Jones Newswires: Eisai shares sink after Japan regulators seek more data for review of Alzheimer’s drug

Eisai Co. shares fell as much as 9.2% early Thursday morning after a Japanese government panel sought additional data for a review of the company's Aduhelm drug for Alzheimer's.

Eisai Presents Final Results Of Phase IV Elevate Study Of Anti-Epileptic Drug FYCOMPA® (perampanel) At The American Epilepsy Society (AES) 2021 Annual Meeting

WOODCLIFF LAKE, N.J., Dec. 7, 2021 /PRNewswire/ -- Eisai Inc. presented analyses of the ELEVATE study of its antiepileptic drug (AED) FYCOMPA® (perampanel) CIII at the 2021 American Epilepsy Society (AES) Annual Meeting. ELEVATE was a multicenter, open-label, Phase IV study of FYCOMPA as...

Worldwide Migraine Drugs Industry to 2026 - Featuring Allergan, Amgen and Eisai Among Others

Dublin, Oct. 22, 2021 (GLOBE NEWSWIRE) -- The "Migraine Drugs Market: Global Industry Trends, Share, Size, Growth, Opportunity and Forecast 2021-2026" report has been added to ResearchAndMarkets.com's offering. The global migraine drugs market exhibited strong growth during 2015-2020. Migraine is …
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Eisai Frequently Asked Questions

  • When was Eisai founded?

    Eisai was founded in 1941.

  • Who are Eisai key executives?

    Eisai's key executives are Haruo Naito, Tatsuyuki Yasuno and Lynn D. Kramer.

  • How many employees does Eisai have?

    Eisai has 11,237 employees.

  • What is Eisai revenue?

    Latest Eisai annual revenue is ¥645.9 b.

  • What is Eisai revenue per employee?

    Latest Eisai revenue per employee is ¥57.5 m.

  • Who are Eisai competitors?

    Competitors of Eisai include Nipro Corporation, Allegheny Health Network and Hemato Oncologos.

  • Where is Eisai headquarters?

    Eisai headquarters is located at 4 Chome-6-10 Koishikawa, Bunkyo City.

  • Where are Eisai offices?

    Eisai has offices in Bunkyo City, Atsugi, Baltimore, Cambridge and in 24 other locations.

  • How many offices does Eisai have?

    Eisai has 37 offices.