Rigaku
Rigaku Corporation is an international manufacturer and distributor of scientific, analytical and industrial instrumentation specializing in X-ray related technologies, including X-ray crystallography, X-ray diffraction (XRD), X-ray reflectivity, X-ray fluorescence (XRF), automation, cryogenics, and X-ray optics. == Locations == Rigaku is headquartered in Tokyo, Japan, with additional production, research and laboratory facilities located in both Japan and the United States.