Founded in 1939, Eiken Chemical is a Japanese company headquartered in Tokyo. The company specialises in the manufacturing and sale of clinical diagnostics and related equipment. Eiken's product portfolio includes fecal immunochemical test reagents and immunological and serological reagents, microbiological reagents urinalysis test strips, clinical chemistry reagents, molecular genetics, medical devices and industrial products. The company was formerly known as Nihon Eiyokagaku Co. and changed its name to Eiken Chemical in 1969.