Nissui Pharmaceutical Co., Ltd. produces, sells, imports, and exports culture media and diagnostics for medical institutions, research organizations, and food industries in Japan and internationally. It offers in vitro diagnostics and medical devices; culture media for microbiological testing; products for antimicrobial susceptibility tests, microorganism identification, and immunological tests; and quality control serum, which is used for ensuring the accuracy of clinical diagnoses. In addition,, the company provides microbiological testing products for food poisoning detection; immunosorbent assays for the detection of allergies to food items, such as eggs, wheat, milk, shrimp, crabs, buckwheat, peanuts, etc.; and culture media and reagents for regenerative medicine. Further, it supplies testing agents and bulk products to diagnostic agent manufacturers; and CompactDry, a dry medium that is used for coliform counting for food manufacturers. The company was formerly known as Nissan Research Institute Co., Ltd. and changed its name to Nissui Pharmaceutical Co., Ltd. in 1962. Nissui Pharmaceutical Co., Ltd. was founded in 1935 and is headquartered in Tokyo, Japan.