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Eisai Global

Parent Company

Human Health Care | Eisaihkinfo

Eisai Co., Ltd was founded in Japan in 1941 as Nihon Eisai Co., Ltd. To this day, Eisai Co., Ltd. is one of the few Japanese pharmaceutical companies to undertake aggressive global expansion through substantial infrastructure investments in its foreign affiliates. These affiliates conduct research and development, manufacturing, and sales and marketing in the United States, Europe and Asia.


Eisai has approximately 10,000 employees worldwide and is a publicly traded company whose stock trades on the Tokyo Stock Exchange and Osaka Securities Exchange and is listed in the United States under an American Depositary Receipt with the ticker symbol of ESALY.

This is the website of Eisai (Hong Kong) Co. Ltd. This site is intended for Hong Kong residents only. The health information contained herein is provided for educational purposes only and is not intended to replace discussions with a health care provider. All decisions regarding patient care must be made with a health care provider, considering the unique characteristics of the patient.

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