Rigaku

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Since its inception in Japan in 1951, Rigaku has been developing X-ray instrumentation. Products from Rigaku and its subsidiary companies are used in the fields of protein and small molecule X-ray crystallography, general X-ray diffraction, X-ray fluorescence spectrometry, semiconductor metrology, crystallization automation, cryogenics and X-ray optics.

Rigaku employs over 1,000 people worldwide in the manufacture and support of its analytical equipment.

"Rigaku" means something like "learning science." "RI" of Rigaku means science or logic and is used in words like "ri-ka" (science), "ri-yu" (reason), "ri-kutsu" (logic), and "ri-ron" (theory). "GAKU" of Rigaku is analogous to the English suffix "-ology," meaning study or learning. It is used in words like "gak-kou" (school), "gaku-mon" (learning, scholarship, wisdom), and "gaku-jutsu-teki" (academic).