Wako Pure Chemical Industries, Ltd. develops and manufactures laboratory chemicals, specialty chemicals, and diagnostic reagents. It offers laboratory chemicals for the life sciences, environmental analysis, and organic synthesis; and specialty chemicals for a range of fields, such as materials for electronic device components and display materials, the pharmaceuticals and cosmetics, the photographic industrial chemicals, and the polymer sectors. The company also provides a range of products, which include infectious disease assays; assay kits for the diagnosis of cancer and life-style related diseases; and diagnostic reagents, such as biochemical reagents for automatic analytical devices, hormone measurement reagents, and blood transfusion test reagents. Wako Pure Chemical Industries, Ltd. was founded in 1922 as Takeda Pure Chemicals Ltd. and changed its name to Wako Pure Chemical Industries, Ltd. in January 1947. The company is based in Osaka, Japan with a branch office in Tokyo, Japan; and regional offices Hokkaido, Tohoku, Tsukuba, Koshin-etsu, Yokohama, Shizuoka, Tokai, Chugoku, and Kyushu, Japan. It also has overseas offices in Neuss, Germany; Richmond, Virginia; Irvine, California; and Cambridge, Massachusetts. Wako Pure Chemical Industries, Ltd. operates as a subsidiary of Takeda Pharmaceutical Co. Ltd.