Business fields

Insulators contribute to the stable supply of electric power. They're ceramic products that can be described as the roots of NGK. We also offer various products for electrical transmission, transformer, and distribution uses.

We help protect our environment through air purification technologies that meet the requirements of enhanced exhaust regulations.

We supply various metallic products, including the high-performance metallic materials used for connectors, sockets, and other applications in the latest electronic components.

Applying our proprietary ceramics technologies, we can supply various products such as piezoelectric microactuators, high frequency components and mold-cast ceramics.

Leveraging the outstanding heat resistance and corrosion resistance offered by fine ceramics, NGK supplies ceramic products that provide stable performance even in harsh semiconductor manufacturing processes.

We offer a full range of devices and equipment needed for manufacturing processes for various products. From highly chemical- and corrosion-resistant devices to separation-membrane equipment, our products demonstrate their functions in key production processes.

NGK has developed the C1 countertop Home-Use Water Purifier, which incorporates fine ceramic filters, to enable consumers to enjoy safe, delicious water at their homes.

We develop products that contribute to carbon neutrality and the digital society with our unique ceramic technologies.