KYORIN Pharmaceutical Co., Ltd. engages in the development, manufacture and sale of pharmaceutical products through its subsidiaries. It operates through the Pharmaceutical Business and Healthcare Business segments. The Pharmaceutical Business segment engages in the production and sales of prescription drugs, generic drugs, and over the counter drugs. The Healthcare Business segment engages in the development and sales of skincare and cosmetics using drug formulation technology. The company was founded on October 31, 1958 and is headquartered in Tokyo, Japan.