About TDK

TDK at a Glance

(FY March 2020)
Corporate Name TDK Corporation
Corporate Headquarters 2-5-1 Nihonbashi, Chuo-ku, Tokyo, 103-6128, Japan
Date of Establishment December 7, 1935
Authorized Number of Shares 480,000,000 shares
Number of Shares Issued 129,590,659 shares
Number of Shareholders 21,922
Common Stock 32,641,976,312 yen
Securities Traded Tokyo Stock Exchange
Consolidated Net Sales 1,363.0 billion yen
Consolidated Net Income 57.8 billion yen
Number of Employees 107,138
Ratings Corporate ratings (As of May, 2020) : A3 (Moody's) , A- (Standard & Poor's) , A+ (R & I)
Short-term bond (As of May, 2020) : A-2 (Standard & Poor's)
Global Network More than 200 factories, R&D, and sales offices in more than 30 countries
Main Businesses
  • Passive components
  • Sensor application products
  • Magnetic application products
  • Energy application products
  • Others

Consolidated Net Sales
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Sales Trend by Region
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Main Businesses & Group Companies

Passive Components

TDK’s passive components have their roots in the magnetic material ferrite originally invented in 1930 and certified as an IEEE Milestone in 2009. Ever since its beginnings, the company has consistently blazed a path of innovation, making products smaller, lighter and thinner and integrating them into modules, thereby contribution to the progress of electronic devices such as smartphones, PCs, and automobiles.
Today TDK offers a wide range of passive components including ceramic, aluminum electrolytic and film capacitors, as well as inductive devices, high-frequency components, and piezoelectric material products and circuit protection components. They are marketed under the product brands TDK and EPCOS.

  • TDK ElectronicsTDK Electronics
  • Faraday SemiFaraday Semi

Sensor Application Products

TDK offers highly functional, high value-added sensors and sensor solutions with an abundant line up of sensors, including temperature and pressure, magnetic, and MEMS sensors. These sensors are essential for delivering multifunction capability in electronic devices, improving the functionality of car electronics, and driving progress in category automation and office automation.
Furthermore, TDK sensors provide added value to ICT equipment. They are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, Chirp, and Tronics.

  • TDK ElectronicsTDK Electronics
  • TDK-MicronasTDK-Micronas
  • Tronics MicrosysteTronics Microsystems
  • ICsense
  • InvenSenseInvenSense
  • Chirp MicrosystemsChirp Microsystems

Magnetic Application Products

TDK has spent more than 80 years refining magnetic material technologies. TDK’s high-performance magnetic heads and HDD suspension assemblies have continuously supported increases in HDD recording capacity for many years and are today used in cloud servers. TDK also offers ferrite magnets, neodymium magnets, and rare earth free magnets, which contribute to energy and resource conservation and higher efficiency in the automobile sectors as well as infrastructure and industrial equipment.

  • SAE MagneticsSAE Magnetics
  • Headway TechnologiesHeadway Technologies
  • Magnecomp Precision TechnologyMagnecomp Precision Technology
  • Acrathon Precision TechnologiesAcrathon Precision Technologies
  • Hutchinson TechnologyHutchinson Technology

Energy Application Products

TDK offers a wide range of lithium-ion batteries, mainly used in ICT market applications. TDK’s power supplies are mainly designed for industrial applications and include AC-DC switching power supplies, programmable power supplies, DC-DC converters, and power supplies for charging storage batteries. Automotive power supplies for xEV are also available. TDK’s energy application products are marketed under the product brands ATL, TDK and TDK-Lambda.

  • TDK-LambdaTDK-Lambda
  • Amperex Technology (ATL)Amperex Technology (ATL)


TDK also offers flash memory applied devices, anechoic chambers, and factory automation equipment.


(Flags indicate group company's headquarter location. )