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Sumida Corporation

Japanese manufacturer of inductive components and modules, an expert in coil-related technologies.

Last updated September 15, 2026

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Overview

Sumida Corporation is a Japanese electronic equipment manufacturer and a global manufacturer of high quality inductive components and modules. Its products are used in applications within the Consumer Electronics, Automotive and Industrial markets, and the company describes over 60 years of experience in the design and manufacture of coil and coil-related products. With business foundations in Asia, Europe and the US, Sumida offers customised solutions alongside standard components. Its product portfolio includes power inductors, RF inductors, power transformers, EMC coils, signal magnetics, sensors and actuators, power modules, automotive modules, magnetic materials, EMS, flexible connections and components for medical equipment.

History

Sumida Corporation is a Japanese electronic equipment manufacturer. It describes itself as a global manufacturer of high quality inductive components and modules, with over 60 years of experience in the design and manufacture of coil and coil-related products. Its products are used in applications within the Consumer Electronics, Automotive and Industrial markets, and the company states it has solid business foundations in Asia, Europe and the US. Sumida's corporate philosophy is expressed as "CONNECTING TECHNOLOGY TO PEOPLE," with a vision to lead in the industry as a timeless company. The company's shares are identified by TSE Code 6817, and it has held at least 71 annual general meetings of shareholders.

  • 71st Annual General Meeting of Shareholders resolved

  • Participation in Quantum Magnetic Sensor Project under Cabinet Office "BRIDGE" program

  • Joint development with Infineon Technologies AG for next-generation power conversion systems

Products and positioning

An expert in coil-related technologies and a global manufacturer of high quality inductive components and modules.

  • Power Inductors

  • RF Inductors

  • Power Transformers

  • EMC Coils

  • Signal Magnetics

  • Sensors & Actuators

  • Power Modules

  • Automotive Modules

  • Magnetic Materials

  • EMS

  • Flexible Connections

  • Components for Medical Equipment

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