RKI is partnered with Riken Keiki Company, Ltd., the world leader in gas detection and sensor technologies. Celebrating over 65 years in the gas detection business, Riken has over 150,000 points of detection world wide in the semiconductor industry alone. RKI is the exclusive North American supplier of Riken products.
RKI purchases a new building for the cooperate headquarters located at 33248 Central Ave, Union City California
Riken introduces the GX-2003, five-sensor sample drawing personal monitor, measures % LEL and % volume Methane.
Riken introduces the GX-2001, worlds smallest 4 gas monitor.
RKI develops and begins shipping the Diffusion Eagle. 550,000 portable and fixed gas monitors sold to date by Riken Keiki.
Riken introduces the GD-K77D smart transmitter with greatly simplified calibration and maintenance.
RKI develops the Beacon 100 and 800 controllers. The Eclipse, NIC stand alone transmitter is also introduced with unique optical controls.
Riken offers the GasWatch, the first wrist worn multi- gas monitor.
RKI and Riken together develop and introduce the first 6 gas portable monitor, the EAGLE.
In a joint venture, RKI Instruments, Inc. becomes Riken Keiki’s North American Partner. Also unveiled is the GX-94 four gas portable with datalogging and auto
Riken introduces the 4 gas monitor GX-91B. Also, the OX-62B single gas O2 with extender cable, and the SC-90 super toxic portable.
Riken presents the GX-86, world’s first 4 gas, belt worn portable monitor.
Riken offers the RI-413, portable IR unit for Freons
Riken introduces RI-411, portable IR unit for CO2.
Riken introduces the world’s first 3 gas, belt worn monitor, the GX-82.
Models OX-80, CO-80, and HS-80 become the first pocket size monitors from Riken.
Riken introduces the world’s first 3 gas monitor with alarm, model 1641.
Riken begins OEM sales to the USA with portable and fixed gas monitors.
Riken builds the first combination combustible and oxygen portable gas monitor with alarm model GX-3.
Riken develops combustible gas monitors based on catalytic sensors.