Shionogi Inc. is the U.S. subsidiary of Shionogi & Co., Ltd., a more than 140-year-old global pharmaceutical company with headquarters in Osaka, Japan. In the U.S., Shionogi Inc. leverages our science-based heritage to develop and commercialize pharmaceutical products to treat unmet medical needs in our core areas of infectious diseases and pain, as well as other areas of high medical need, including chronic liver disease.