Eisai
Eisai Co., Ltd. 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.
Eisai Co., Ltd. engages in the development, manufacture, and sale of prescription medicines and over-the-counter products. It operates through the Pharmaceutical Products Business and Other Business segments. The Pharmaceutical Products Business segment handles prescription and generic drugs, diagnostics, and consumer healthcare business in Japan, which manages over-the-counter drugs. The Other Business segment deals with food additives and chemicals. The company was founded by Toyoji Naito in November 1936 and is headquartered in Tokyo, Japan.
