大塚製薬
The Otsuka Group is a global organization of 156 healthcare companies with nearly 40,000 employees. Otsuka Holdings Co., Ltd., is the Group's holding company. The main operating companies are Otsuka Pharmaceutical Co., Ltd.; Otsuka Pharmaceutical Factory, Inc.; Taiho Pharmaceutical Co., Ltd.; Otsuka Warehouse Co., Ltd.; and Otsuka Chemical Co., Ltd.