Eisai: The First 80 Years - History of Eisai -

  • Corporate Chronology
  • The Story of Eisai
  • Eisai's Founder, Toyoji Naito
  • R&D Archives
  • History Gallery

R&D Archives

In this section, we introduce Eisai's most representative products as well as the respective histories that led to their development, with interesting accounts and recollections also shared here by the researchers themselves.

Prescription Pharmaceuticals

Alzheimer's Disease Treatment The Aricept R&D Story (donepezil hydrochloride, launched in the United States in 1997)

The result of 15 years of scientists' hard work and ambition sheds new light on the treatment of Alzheimer's disease. —Interview with Aricept creators representative Dr. Hachiro Sugimoto—

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