Tosoh Bioscience is an acknowledged global leader in the field of liquid chromatography with a focus on bioseparations. Established as TosoHaas in 1987, the original joint venture between Tosoh Corporation, Japan, and Rohm and Haas, USA, has become synonymous with advanced products and quality support. In the year 2000 it became a wholly-owned subsidiary of Tosoh Corporation with sales, marketing, and technical service offices in the U.S., Germany, and Japan. Tosoh Bioscience GmbH and its diagnostic sister company, Tosoh Bioscience N.V., are one of several specialty chemical groups within the Tosoh Corporate family.