Astellas Pharma Inc. - Pharmaceutical Company InformationSubmit your Drug_company claim details for a free, no obligation case reviewAstellas Pharma Inc. is one of Japan''s largest Pharmaceutical companies. Astellas was formed in April of 2005 through a merger of Fujisawa Pharmaceutical Co., Ltd. and Yamanouchi Pharmaceutical Co., Ltd. The two companies were Japan''s third and fifth largest individual companies and both have histories dating back to 1894.
