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Neturen leading the way in induction heating

Article - May 17, 2023

Neturen is the flag-bearer of induction heating (IH) technology, which is seen as an environmentally friendly heating method for our climate-conscious world.


“When we are able to achieve global expansion of our IH technology, we believe that the specific areas we enter into can become more eco-friendly.”

Katsumi Omiya, President, Neturen Co., Ltd.

Neturen is the first company in Japan to successfully commercialize and industrialize induction heating (IH) technology, an environmentally-friendly technology that is both non-polluting and resource-saving. As a pioneer of IH, Neturen has applied the know-how it has accumulated in the field and its sophisticated technological and development capabilities to take on heat-treatment machining while successfully developing highly original products that have contributed to and brought about innovations in a wide range of industries.

“Our IH technology requires only electricity. So, in the future when energy sources have all been switched to renewables, we’ll help to achieve zero carbon emissions,” says Katsumi Omiya, President of Neturen. “Therefore, we want to expand IH technology rather than utilizing, for example, furnace heating, filtration heat treatment, and other carbon-intensive methods. We believe that there is big potential in IH.”

Aside from IH, another key focus of Neturen is its large-diameter, high-strength spring steel wire for cold forming (coiling), which is being put to use in the rapidly growing electric vehicle (EV) industry.

“We’ve started production and sales of the large-diameter ITW® for cold forming, which has the world’s largest diameter and can withstand the weight of EVs,” says Mr. Omiya. “At the moment, we are commercializing the product in China, but have also invested around $8 million to put in place a dedicated facility in the United States. Not only EVs, but in the United States, as you know, there are many heavy vehicles which use big thick springs. We believe that we can also expand our market share beyond EVs to other sectors of the car market too.”