Nichiden Kogyo Co., Ltd.
Japanese manufacturer of automatic control equipment — solenoid valves, motorized valves, labor-saving devices and electronic control boards — and a member of the Ryoka Group.
Last updated September 29, 2026
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Overview
Nichiden Kogyo Co., Ltd. (日電工業株式会社) is a Japanese manufacturer of automatic control equipment. Founded in July 1948 in Shinagawa, Tokyo, with capital of 1 million yen, the company has spent roughly eight decades as a specialist maker of the components that regulate flow and motion inside industrial and infrastructure systems. Its product range centers on solenoid valves (電磁弁), motorized valves (電動弁), manual valves and other valve types, labor-saving and automation devices (省力化装置), and electronic control boards (電子制御基板), together with air-conditioning tools and other handled products. The company describes its mission as creating good "flow" and supporting society through the development and manufacture of automatic control equipment. Nichiden Kogyo is a member of the Ryoka Group (菱華グループ), a Japanese industrial group whose companies include Ryoka Sangyo, Ryoka Kogyo, Ryoka Tec and Ryoka (Malaysia) Sdn. Bhd. Within the group, Nichiden Kogyo is the member responsible for product development of various automatic control devices, while sister companies handle plastic injection-molded products, food containers, medical equipment and air-conditioning equipment sales and engineering. The group presents its strength as advanced technical capability and integrated production lines that deliver consistently high-quality products, and Nichiden Kogyo positions itself as a group pillar expanding both in Japan and overseas. The company moved its headquarters from Shinagawa, Tokyo to Fujisawa, Kanagawa in April 1983, and its current head office and factory were completed in April 1993. It has held ISO 9001 certification since March 2003 and ISO 14001 certification since October 2004. Its products are used in a wide range of situations supporting infrastructure, with design and development tailored to customer needs. Nichiden Kogyo also maintains a permanent showroom at MOBIO in Osaka and exhibits at manufacturing trade fairs such as Manufacturing World Osaka. The company is active on social media and runs internal events, and it continues to operate as a privately held, group-affiliated manufacturer.
History
Nichiden Kogyo Co., Ltd. was established in July 1948 in Shinagawa, Tokyo, with capital of 1 million yen. From its founding the company oriented itself toward automatic control equipment, a field in which it describes itself as having been a pioneer for roughly eighty years. Through the 1960s and 1970s the company expanded its manufacturing base and capital. In May 1963 it opened a factory in Fujisawa, Kanagawa. Capital was increased to 70 million yen in May 1967, to 120 million yen in November 1974, and to 240 million yen in June 1977. In April 1983 the head office was relocated from Shinagawa, Tokyo to Fujisawa, Kanagawa, consolidating the company in its present industrial location. The current head office and factory were completed in April 1993. In the 2000s the company formalized its quality and environmental management systems, obtaining ISO 9001 certification in March 2003 and ISO 14001 certification in October 2004. Over time Nichiden Kogyo became a member of the Ryoka Group (菱華グループ), a Japanese industrial group. Within the group, Nichiden Kogyo is the company responsible for product development of various automatic control devices, while sister companies such as Ryoka Sangyo, Ryoka Kogyo, Ryoka Tec and Ryoka (Malaysia) Sdn. Bhd. cover plastic injection molding, industrial materials, air-conditioning equipment and overseas manufacturing. The group emphasizes advanced technical capability and integrated production lines as the basis for consistently high-quality products. In the 2020s the company has continued to promote its products through trade exhibitions and showrooms, including a permanent showroom at MOBIO in Osaka and participation in Manufacturing World Osaka. It has also brought consumer-facing products to market, such as the Solenoid Checker II, which became available through Royal Home Center. The company maintains an active corporate communications presence on Facebook and Instagram and runs internal employee events. It remains a privately held, group-affiliated manufacturer headquartered in Fujisawa, Kanagawa.
- 2004
Obtained ISO 14001 certification.
- 2003
Obtained ISO 9001 certification.
- 1993
Current head office and factory completed.
- 1983
Relocated head office from Shinagawa, Tokyo to Fujisawa, Kanagawa.
- 1977
Capital increased to 240 million yen.
- 1974
Capital increased to 120 million yen.
- 1967
Capital increased to 70 million yen.
- 1963
Opened a factory in Fujisawa, Kanagawa.
- 1948
Established as Nichiden Kogyo Co., Ltd. in Shinagawa, Tokyo, with capital of 1 million yen.
Products and positioning
Specialist manufacturer of automatic control equipment supplying valves, control boards and labor-saving devices that support infrastructure, operating as a member of the Ryoka Group.
Solenoid valves
Electromagnetic valves for automatic control of fluid flow.
Motorized valves
Electrically actuated valves for flow control.
Manual valves
Manually operated valves.
Other valve types
Additional valve products for various applications.
Labor-saving devices
Automation and labor-saving equipment.
Electronic control boards
Electronic control circuit boards for automatic control equipment.
Air-conditioning tools and other handled products
Air-conditioning tools and other products handled by the company.
Solenoid Checker II
A developed product made available through Royal Home Center.
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