Sumida is a company that designs and manufactures coil-related components and modules. Its product portfolio includes power inductors and transformers, automotive keyless antennas, xenon ignitor modules, mobile communications equipment, radio frequency identification (RFID) tags, power inverters for solar power generators, and components for industrial lighting solutions. The company also provides magnetic materials, ceramics, flexible connectors, and electronic manufacturing services (EMS). Sumida's products are used in a range of applications from consumer electronic devices to home appliances, automotive electronics, green energy solutions, and medical healthcare devices and equipment.