Santen Pharmaceutical

Santen Pharmaceutical has long been engaged in the research and development of new ophthalmic drugs. It has 29 subsidiaries worldwide and operates branches for development, research, production, and sales in Europe, the United States, and various Asian countries outside Japan. At the same time, it conducts development and sales activities in multiple countries around the world. Santen Pharmaceutical ranks first in the market share of ophthalmic prescription drugs in Japan and South Korea, producing approximately 400 million bottles of eye drops annually. Its products are exported to more than 60 countries, providing ophthalmic solutions to over 30 million patients worldwide each year. Currently, Santen Pharmaceutical is the second-largest enterprise in Japan's eye drop market, following Rohto Pharmaceutical.