- Business
- Sumida Corporation is a global manufacturer specializing in the design, manufacture, and sale of electronic components and modules, primarily serving the consumer electronics, automotive, and industrial markets. Its core product portfolio includes power inductors and transformers; power and RF inductors such as surface mount, through-hole, and low-profile filters for digital amplifiers; RF chip inductors; power transformers including PoE and switching mode power supplies; EMC coils like AC and DC power line chokes and common mode chokes; sensors and actuators including rotor position sensors and solenoid coils; automotive modules comprising choke modules for inverters, power conversion modules, and component carriers; ceramic-based passive components; flexible flat cables; and components for medical equipment such as isolation transformers. Additionally, Sumida offers complementary products and services such as magnetic materials, ceramics, flexible connectors, and electronic manufacturing services.
Operating globally with manufacturing facilities and operations across Japan, Asia, Europe, and North and South America, Sumida serves broad industry sectors including consumer electronics, automotive electronics, green energy solutions, industrial electronics, and medical healthcare devices. The company was founded in 1956 and is headquartered in Tokyo, Japan. It maintains a strong commitment to customized design solutions alongside the supply of standard components, enhancing its global customer relationships.
Recent major company developments include an expansion of manufacturing capabilities in Vietnam with the signing of an official land sublease agreement for a new facility at An Phat High-tech Industrial Park, expected to be completed by late 2024. The new facility will focus on automotive and industrial applications and incorporates sustainability initiatives such as rooftop solar panels to supply up to 60% of its electricity needs. Furthermore, Sumida has formed strategic partnerships such as acquiring a stake in Schmidbauer Transformatoren und Gerätebau GmbH to strengthen its presence in the European market. The company also launched new product series including unshielded and resin-shielded inductors recognized for their innovative design and performance, demonstrating ongoing product development and technology leadership.
Sumida’s comprehensive portfolio and strategic expansions underscore its role as a leading global provider of coil-related components and modules with diversified geographic operations and a focus on innovation, sustainability, and market responsiveness.
This description reflects data current as of 2025. The company trades under the ticker 6817.T on the Tokyo Stock Exchange.