TDK Group TDK Corporation is a leading electronics company based in Tokyo, Japan. It was established in 1935 to commercialize ferrite, a key material in electronic and magnetic products. TDKs portfolio includes electronic components, modules and systems marketed under the product brands TDK and EPCOS, power supplies, magnetic application products as well as energy devices, flash memory application devices, and others. TDK focuses on demanding markets in the areas of information and communication technology and consumer, automotive and industrial electronics. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America. TDK in Americas TDK U.S.A. Corporation (TUC), a group company of TDK Corporation, was founded in 1981 and is based in Uniondale, New York. It is the Corporate Headquarters for North and South America. TDK Corporation of America (TCA), a group company of ...