Shionogi in the U.S. is a subsidiary of Shionogi & Co., Ltd., a 144-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 area of infectious diseases and other areas of high medical need including neurology and cardiovascular disease.

It’s Time to Revolutionize Medicine Again

Shionogi’s mission is to supply the best possible medicines to protect the health and well-being of the patients we serve. 


Shionogi is one of the few large pharmaceutical companies that continues to focus on research and development in anti-infectives. Shionogi has been developing antimicrobial therapies for more than 60 years and remains committed to helping protect people worldwide from the threat of infectious diseases.


Shionogi, both itself and through innovative alliances, is also pursuing the development of new treatments in other areas of high medical need, including neurology and cardiovascular disease.


At Shionogi, we’re intensely focused on developing and commercializing the scientific breakthroughs emerging from our research laboratories in Japan as well as discoveries of our strategic alliance partners. We couple our innovative discovery base with capabilities to advance drug candidates rapidly from lab to clinic to patient, forming, where appropriate, bold new partnerships to accelerate and amplify the availability of these new medications to patients around the world.

  • The Shionogi Group is committed to supplying the best possible medicine to protect the health and well-being of the patients we serve.

  • We embrace and develop a culture of diversity, allowing employees to drive an ongoing collaborative and innovative work environment.
  • Shionogi is committed to developing even better medicines and delivering them to patients in need. By constantly improving our technologies and services, we have worked to enhance the positive impact of our products on patient health.

  • The Shionogi Inc. leadership team has decades of combined pharmaceutical and industry experience in developing and commercializing therapeutics.
  • Partnering connects our in-house scientific knowledge with the expertise of leading academic centers, pharmaceutical companies and biotechs.