Santen Pharmaceutical Co., Ltd. (Santen) is a Japan-based pharmaceutical company. It conducts research and development, manufacture pharmaceuticals, over-the-counter (OTC) drugs and medical devices to protect and improve people's eyesight and health. The company specializes in the field of ophthalmology. Santen’s product portfolio includes ophthalmic products, anti-rheumatics, OTC pharmaceuticals, other drugs and medical devices. The company has manufacturing plants and laboratories in Japan, China and Finland. It has subsidiaries in Japan, the Netherlands, the US, Finland, France, Germany, Sweden, China, India and Korea. Santen is headquartered in Osaka, Japan. The company aims at being recognized as a specialty pharmaceutical company with global presence. To achieve this objective, the company focuses on promoting research and development and launching new products.