Takeda Pharmaceutical Co., Ltd. engages in the research and development, manufacture, import and export sale, and marketing of pharmaceutical drugs. The company is headquartered in Chuo-Ku, Tokyo-To and currently employs 47,455 full-time employees. The firm focuses on the main business areas of gastrointestinal diseases, rare diseases, plasma derivatives (immune diseases), oncology (cancer), and neuroscience (neuropsychiatric diseases). The firm focuses on three research and development areas: innovative biopharmaceuticals with the focus on gastrointestinal and inflammatory diseases, neuroscience, and oncology, plus plasma derivatives and vaccines. Most of the pharmaceuticals treat rare diseases in the focus disease areas and the plasma derivatives area. The firm operates in Japan, the United States, Europe, and China.