Motokuni Ishimaru

Rigaku Corp. designs and manufactures scientific instruments. Its products include X-ray diffraction instruments, X-ray fluorescence , small angle X-ray scattering , protein crystallography, handheld laser induced breakdown spectrometers, process elemental analyzers, thermal analysis , non-destructive testing, small molecule crystallography, stress analyzers, X-ray imaging, evolved gas analysis, and conductor metrology. The company was founded in 1951 and is headquartered in Tokyo, Japan.

Part of Rigaku Corp., Rigaku Americas Corp. is a manufacturer of x-ray analysis, thermal analysis, and non-destructive testing instruments. The company is based in Spring, TX. The company provides a number of unique solutions to help manufacturers comply with RoHS/WEEE by providing rapid non-destructive elemental analysis. Today, with hundreds of major innovations to their credit, the Rigaku group of companies are world leaders in the fields of general x-ray diffraction, thin film analysis, x-ray fluorescence spectrometry, small angle x-ray scattering, protein and small molecule x-ray crystallography, Raman spectroscopy, x-ray optics, semiconductor metrology, x-ray sources, computed tomography, nondestructive testing, and thermal analysis. The company is the only provider of a complete line of benchtop x-ray analytical products, providing affordable and easy-to-use solutions for small molecule single crystal diffraction, general-purpose x-ray diffraction (XRD), and x-ray fluorescence (XRF). Founded in 1951, the company has been at the forefront of analytical and industrial instrumentation technology.

Horiba France SAS develops and manufactures analytical and measurement instruments for the semiconductor industry. The company is headquartered in Longjumeau, France.

Part of Horiba Ltd., Horiba Stec Co. Ltd. is a Japanese company that manufactures measuring instruments. The company is based in Kyoto-shi, Japan. Horiba Stec Co. was acquired by Horiba Ltd. on March 21, 2005 for $23.07 million.

Horiba International Corp. manufactures and markets peripheral measurement instruments. The private company is based in Irvine, CA.