Riken Keiki supplies gas detectors and alarms for industrial workplaces. Its range includes portable multigas and toxic-gas detectors, fixed detector heads, gas-leak checkers and multipoint toxic-gas monitoring systems used in semiconductor operations.
Town-gas applications include monitoring combustible gases, checking underground gas-pipe areas and testing for leaks during gas equipment work. In the year ended March 2026, stationary gas detectors and alarms made up 60.9% of sales and transportable detectors 36.6%. The group had 1,465 consolidated employees as of March 31, 2026.
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