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Latest update: 15/10/2019 17:30:10

Hasegawa Electric Co., Ltd.

We contribute to the prevention of electrical accidents, such as electrical leakage fires and electric shocks caused by electrical leakage.

We manufacture equipment for the safety of electrical environments, such as ground relays. These devices protect electrical construction workers and equipment from electrical leakage fire and electric shock caused by electrical leakage in electrical equipment. We have confidence in developing hardware and built-in software for electric power measuring technology, ground fault detection systems, remote monitoring systems, continuous insulation monitoring systems, and various measuring instruments. We are a unique company in Japan for measurement of the ground electrostatic capacitance of power distribution lines. We have a track record of delivering electroscopes and phase indicators to major electric power companies, electrical construction work companies, the Electrical Safety Inspection Association, and so on.

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[Company strength]
We have experience in manufacturing electric power equipment and equipment for preventing electric shocks, with a focus on ground fault detection equipment which is utilized in electric power company substations. This is why we have advantages in manufacturing technology for electrical equipment in which high reliability is required.

[Business description]
We manufacture equipment for electrical safety, with a focus on electroscopes, which protect electrical construction workers from electrical shock, as well as ground relays. These devices protect equipment and the human body from electrical leakage fire and electrical shock by detecting ground faults (short circuits) of electrical equipment at an early stage. We also develop various kinds of equipment and measuring instruments based on our on-the-spot decision-making principles. We have cultivated this approach in long-term transactions with electric power companies, railway companies, telecommunications companies, and so on.

[Industry]
Electronic equipment manufacturing

[Strength of products/technologies]
We have advantages in electric power measurement technology. We possess technology for measuring minute voltages and micro currents, phase measurement, and ωC measurement. Our company has unique technology that can deal with the ground electrostatic capacitance of power distribution lines. We also have the technology for ground fault detection systems with DC circuits such as solar power and batteries, remote monitoring systems, and continuous insulation monitoring systems. We support hardware development for various measuring instruments, and develop built-in software and so on. 

[Representative's message]
We have been cultivating sensing technology such as AC/DC ground fault detection technology and electroscope technology in 45 years of experience since our establishment. (Our company was originally founded 90 years ago.) We are taking advantage of this to supply products that contribute to safety and a sense of security in electrical installation work. We have recently established our own brand by developing dedicated products that comply with overseas standards, and by actively presenting our products at overseas exhibitions. We are also aggressively taking on the challenge of developing measuring instruments for the expanding field of solar power maintenance, and we develop remote monitoring systems and so on.

[Company structure for market development/overseas expansion]
We hold meetings once a month with participation by representatives from the engineering, manufacturing, and sales units, including the president. In these meetings we select target projects based on customer requests as well as internal and external proposals, made from inside and outside the company. We advance product development with a sense of urgency. We are trying to expand our sales routes for overseas expansion by making use of overseas affiliate companies that our group company established in Korea and Indonesia. We are expanding our markets via trading companies mainly in Korea, Taiwan, Thailand, Vietnam, and the Middle East. We are also strengthening our participation in overseas exhibitions. In FY2015 we presented our products at exhibitions held in Korea and Indonesia for the first time, and received high evaluations.

[Market share/Ranking]
We have a 50% or greater share of the electroscope market.

[Awards and media coverage]
[Awards]
300 of Japan’s Vibrant Monozukuri SMEs; commendation from JREEA (Japan Railway Electrical Engineering Association); OHM Engineering Award; Shibusawa Award (four times); Good Design Award (three times); and so on.

[Media]
We have contributed to technological magazines many times.


[Authorization/Certification]
Acquired ISO 9001 and ISO 14001 certification. 

[Joint research and development]
We have an extensive history of deliveries to railway companies, electric power companies, communications companies, the Electrical Safety Inspection Association, and so on.

[Intellectual property]
We have 23 registered patents, four pending patents, 17 design registrations, and six registered trademarks.

[Transaction form]
Via a trading company.

[Main Clients / Business History (domestic)]
Electric power companies (ωC measurement type ground relays, ground directional relays, electroscopes, and phase indicators); Electrical Safety Inspection Association (electroscopes and hot-line proximity alarms); heavy industry manufacturers (AC/DC ground relays); electrical construction work companies (electroscopes, phase indicators, and hot-line proximity alarms); JR and private railway companies (electroscopes and LED working lights); Japan Self-Defense Force, police stations, and fire stations (electroscopes and LED working lights); and so on.

[Main Clients / Business History (overseas)]
We have a track record of deliveries to Taiwan, Korea, Indonesia, Thailand, Vietnam, the Philippines, Egypt, Iran, Iraq, the UAE, France, and New Zealand.

[Exhibition History/Information]
JECA-FAIR: May 2015.
Railway Technology Exhibition: November 2015.
Overseas (Korea and Indonesia).


This company is recommended by the following support organizations.

Kansai Head Office, SMRJ
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