Riken Keiki is a technological successor of the renowned Rikagaku Research centre. Japan’s first institute devoted to scientific research on gas detection. Since our founding in 1939, we have fulfilled pioneering the research, development and production of workplace safety and protection. Our gas detectors and sensors for marine, petrochemicals and semi-conductors has made us a leader in the gas detection industry. All such devices has no room for errors and they must be durable and reliable, providing workplace safety without interruption.