Nihon Kohden is a Japanese manufacturer, developer and distributor of medical electronic equipment, with subsidiaries in the United States, Europe and Asia. The company's products include patient monitors, electroencephalographs (EEGs), electromyographs (EMGs), electrocardiographs (ECGs), defibrillators, and hematology analyzers. Nihon Kohden's products are used in hospitals, clinics, and other healthcare facilities around the world. The company was founded in 1951 and is headquartered in Tokyo, Japan.