Nihon Kohden is Japan's leading manufacturer, developer and distributor of medical electronic equipment with subsidiaries in the USA, Europe and Asia and distributors in nearly every country in the world.


Our major product lines for export are patient monitors, electroencephalographs, evoked potential and electromyograph systems, electrocardiographs, defibrillators, and hematology analyzers. Nihon Kohden equipment is well known for its quality and ease of use.


Nihon Kohden actively contributes to the advance of medical technology. Nihon Kohden researchers have published valuable research in some of the world's most prestigious medical, engineering and scientific journals. Nihon Kohden has significantly contributed to the advancement of modern medical treatment with many innovative products and technologies. Pulse oximetry, the technology to noninvasive measure oxygen in the blood, was invented by Dr. Takuo Aoyagi, a Nihon Kohden scientist.


In addition to supplying the world with our own high quality medical equipment, Nihon Kohden imports outstanding overseas products into Japan. Our wide range of imported equipment includes cardiology, urology, respiratory care, anesthesiology, emergency care, sports medicine and rehabilitation. Our extensive domestic sales network consists of over 1,000 direct sales staff with over 120 offices throughout the country.


Founded in 1951, our mission is to improve the quality of life through advanced medical technology.

Related Links

In order to provide better medical solutions for various medical fields, Nihon Kohden gives top priority to patients and is actively developing innovative medical electronic equipment. 

Nihon Kohden’s primary business is development, manufacturing, sales, maintenance and consultation of medical electronic equipment and related systems and products.

The pulse oximeter is a device that continuously measures the oxygen saturation in arterial blood (how much hemoglobin is bound to oxygen) without blood sampling.

The most important aspect of developing Nihon Kohden's technologies is the Human Machine Interface (HMI), the point of contact between human beings and the device.

Nihon Kohden has continued to send revolutionary products into the world, based on product development firmly rooted in clinical practice.

We are strongly invested in “High Quality" and “High Safety" , and ever since our foundation, we have worked diligently to build up the framework for high quality.