Otsuka Pharmaceutical Co., Ltd. is a global healthcare company based in Tokyo, Japan. Founded in 1964, it focuses on the research, development, manufacturing, and marketing of pharmaceuticals and nutraceuticals. The company is known for its innovative products in areas such as psychiatry, neurology, and general medicine. Otsuka operates in over 20 countries and regions, emphasizing a commitment to improving health through unique solutions. Its diverse portfolio includes prescription medications, consumer health products, and medical devices, reflecting its mission to contribute to the well-being of people worldwide.