TDK Corporation, together with its subsidiaries, manufactures and sells electronic components in Japan, Europe, China, Asia, the Americas, and internationally. The company operates through Passive Components, Sensor Application Products, Magnetic Application Products, Film Application Products, and Other segments. The Passive Components segment provides ceramic capacitors, aluminum electrolytic capacitors, film capacitors, inductive devices, high-frequency components, piezoelectric materials, and circuit protection components. The Sensor Application Products segment offers temperature and pressure, magnetic, and MEMS sensors. The Magnetic Application Products segment offers hard disk drives (HDD) heads, HDD suspension assemblies, power supplies, and magnets. The Film Application Products segment provides energy devices, such as rechargeable batteries. The Other segment provides mechatronics production equipment and other products. It also provides inductive devices, ferrite cores, magnetic heads, and transformers; and engages in insurance and real estate agency business. The company was formerly known as Tokyo Denki Kagaku Kogyo K.K. and changed its name to TDK Corporation in 1983. TDK Corporation was founded in 1935 and is headquartered in Tokyo, Japan.