Sumida Corp. operates as a holding company which engages in the design and manufacture of coil-related components and modules for consumer electronics, automotive, and industrial markets. Its products include audio and visual devices, office automation equipment, automotive-related and industrial equipment, and other electronic components. It also provides the complimentary products and services such as magnetic materials, ceramics, flexible connectors and electronic manufacturing services (EMS). The company was founded by Ichiro Yawata in May 1950 and is headquartered in Tokyo, Japan.