Fourier

Fourier is a robotics company based in Shanghai, founded in 2015.

Initially focused on medical rehabilitation robotics, particularly exoskeletons, the company has expanded its offerings to include humanoid and general-purpose robotics. Under the leadership of CEO Alex Gu, Fourier serves over 2,000 institutions across more than 40 countries. The company specializes in robotic rehabilitation solutions for hospitals and clinics, as well as embodied AI and general robotics platforms for research and development. Its product lineup includes the GRx humanoid series, integrated rehabilitation platforms like RehabHubs, and various intelligent rehabilitation systems designed for clinical and research applications. Fourier positions itself as a full-stack robotics company, aiming to enhance the usability of robots in medical and practical environments.