RIKEN KEIKI Co., Ltd.

A Pioneer in Creating Safe Working Environments

Founded in 1939 and headquartered in Tokyo, Japan, RIKEN KEIKI Co., Ltd. has grown to become a leading player in the gas detection industry. Our products are meticulously crafted at our Production and Development Centre in Kasukabe, Saitama (north of Tokyo) and our factory in Hakodate, Hokkaido. In order to meet the highest quality standards, we develop and fabricate our sensors in-house.

We are especially well known for the "GX-3R", the world's smallest and lightest portable four-gas detector, as well as the advanced Bluetooth-equipped version “GX-3R Pro”, introduced in 2019.

Continuous product improvement: At the heart of our philosophy

Our philosophy of continual improvement is reflected in our active collaboration with customers and the ongoing refinement of our products. RIKEN KEIKI maintains overseas subsidiaries in the United States, Singapore, Taiwan, Malaysia, South Korea and China, reinforcing our broad reach and ensuring that our products remain at the forefront of safety and technology.