Sumida Corporation is a global company headquartered in Tokyo, Japan, specializing in the design and manufacture of electronic components, particularly coil-related products such as inductors, transformers, and magnetic modules. Founded in 1950, the company has grown into a key player in the electronics industry, serving sectors like consumer electronics, automotive, and industrial applications.
With operations across Asia, Europe, and the Americas, Sumida is known for its expertise in customized as well as standard components, including RF inductors, power transformers, sensors, and automotive modules. Its products are widely used in devices such as smartphones, power systems, and electric vehicles.