About RKC

Our Mission

RKC has been continually growing for over half a century since its establishment as a specialist of industrial control equipment.

As a solution provider of measurement and control, RKC is involved in development, sales and other aspects of business.
RKC provides: Hardware + Software + Peripheral equipment to satisfy the industry needs.
The hardware includes various controllers for temperature, pressure and other processes, power controllers, field network converters, sensors, and custom designed products.
The software includes consulting, engineering, before- and after-sales service.
Peripheral equipment includes various peripheral equipment necessary to build up a solution.

To always provide products of high quality and high reliability, RKC builds and conducts quality management systems at all stages from development, procurement, manufacturing, sales through to shipping and after-sale service.

Based on our management concept “Realization of highest quality”, RKC has obtained the accredition of ISO9001, the international standard for quality management systems.
For safety standards of our main products, RKC manufactures products compliant with UL, CSA and European safety directives (LVD and EMC) of CE Marking.
RKC also employs IEC standards for the internal product criteria from designing to manufacturing stages to provide products conforming international standards.
Based on the management concept, RKC considers conservation of the environment at the global level is the most important task and has obtained the accredition of ISO14001 (Environmental Management System).

Registration Date ISO9001:April 25, 1994 , ISO14001:June 8, 2001
Last Renewal Date ISO9001:June 11, 2022 , ISO14001:June 8, 2022
Expiry Date ISO9001:June 10, 2025 , ISO14001:June 7, 2025
Scope of Registration The design / development, manufacture and sales of process controllers,
indicators, alarm units, converters, control system equipments, sensor
equipments for industrial uses and their accessories and servicing [Parts
supply, repairing (on-site, in-house), maintenance, calibration and
engineering information supply]

Head Office
    16-6, Kugahara 5-chome, Ohta-ku, Tokyo, Japan

Ibaraki Factory
    1164 Sano, Yachiyo-machi, Yuki-gun, Ibaraki, Japan

Osaka Sales Office
    3rd Floor, Central Shin-Osaka bldg., 5-36 Miyahara 4-chome, Yodogawa-ku,
    Osaka-shi, Osaka, Japan

Nagoya Sales Office
    Kurauchi Bldg., 1-20 Sengen 1-chome, Nishi-ku, Nagoya-shi, Aichi, Japan

Kyushu Sales Office
    7-120 Obiyama 6-chome, Chuo-ku, Kumamoto-shi, Kumamoto, Japan

Hiroshima Sales Office
    404, Nakahiro Central Bldg., 3-18 Nakahiro-machi 3-chome, Nishi-ku,
    Hiroshima-shi, Hiroshima, Japan.

Nagano Sales Office
    A-One bldg., 855-1 Shi-no-Noiai, Nagano-shi, Nagano, Japan

Tohoku Sales Office
    Narita Bldg., 3-3 Narita 2-chome, Tomiya-shi, Miyagi, Japan