Introduction Daiichi Sankyo Company, based in Tokyo, specializes in researching, developing, manufacturing, selling, and marketing pharmaceutical products. Their main products are prescription and OTC drugs, and quasi-drugs for diseases like cardiovascular, infectious, bone/joint, and urological diseases. They also have vaccines, cosmetics, medical equipment, food and beverages, and veterinary medicines. They're developing drugs under clinical trials. They operate mainly in Japan, North America, Europe, and India. |