TDK Corporation is a Japanese electronics company that manufactures a wide range of electronic components and data-storage media. One of their most popular products is the tape cartridge, which is used in a variety of electronic devices. TDK also makes batteries, capacitors, inductors, and other types of electronic components. In addition to their consumer products, TDK also manufactures industrial and automotive electronics. The company has a long history dating back to 1935, when it was founded as Tokyo Denki (Tokyo Electric). Today, TDK is a global leader in the electronics industry, with over 35,000 employees in more than 80 countries.