Rigaku Corporation is an international manufacturer and distributor of scientific, analytical and industrial instrumentation. The company's products are used in a wide variety of applications, including co-crystallization experiments, composition identification, crystal orientation, drug discovery, elemental analysis, in vivo applications, membrane proteins, polymers and fibers, spectroscopy and others. Rigaku Corporation was founded in 1951 and is based in Tokyo, Japan. It has operations in Japan, the United States, Europe, and China.