Tokyo Denki Kagaku Kogyo K.K. established in Tamura-cho, Shiba-ku, Tokyo City for commercial production of ferrite cores.

The first ferrite cores.

Kamata Plant constructed, mass production of ferrite cores begins.

Hirasawa Plant constructed in Hirasawa-cho, Akita prefecture.

Production of ceramic capacitors begins at the Hirasawa Plant.

"Synchro Tape" - magnetic recording tape introduced.

Ulcon Disc capacitor introduced.

Ulcon Disc capacitor introduced.

TDK's Paramister(parametron arithmetic circuit) wins the Grand Prix at the Brussels World Exposition.

Parametron Calculator
Memory Cores.

TDK opens its first overseas office in Los Angeles.
TDK shares listed on the Tokyo over-the-counter market.

Yawata Plant constructed in Ichikawa City, Chiba Prefecture.

TDK shares listed on the First Section of the Tokyo Stock Exchange.

TDK establishes a local subsidiary in New York.

"Synchro Cassette Tapes" introduced.

Cassette tapes introduced.

Joint venture company established in Taiwan.

Chikumagawa Plant constructed in Saku City, Nagano Prefecture.

Chokai Plant constructed in Nikaho-machi, Akita Prefecture.
Shizuoka Plant constructed in Sagara-cho, Shizuoka Prefecture.

Winchester Heads developed.
Local subsidiary established in Dusseldorf, Germany.

Winchester Heads developed.

Headquarters moved to 1-13-1 Nihonbashi, Chuo-ku, Tokyo.
VHS format "Super Avilyn Video Cassettes" introduced.
Narita Plant constructed in Narita City, Chiba Prefecture.

Video tape using new magnetic material, Avilyn, introduced.

Magnetic heads using amorphous materials introduced.

Mikumagawa Plant constructed in Hita City, Oita Prefecture.
TDK shares listed on the New York Stock Exchange.

Company name changed to TDK Corporation.
TDK serves as an official sponsor of the First IAAF World Championships in Athletics (Helsinki).

TDK has a pavilion at the International Exposition, Tsukuba, Japan.

TDK acquires SAE Magnetics (H.K.) Ltd., a magnetic head maker.

Local subsidiaries established in Malaysia and Luxembourg.

Technical Center completed in Ichikawa City.

TDK Technical Center

Local subsidiary established in Thailand.

Plant constructed in Dalian, China.
Recordable CD-R compact discs with an organic colorant film introduced.

High-density recording MR heads introduced.
Local subsidiary established in Xiamen, China.

TDK Xiamen Co., Ltd (China)

Plant constructed in Hungary.

Mikumagawa Plant acquires ISO 14001 certification.
Plant constructed in the Philippines for magnetic head production.

TDK Malaysia becomes TDK's first overseas plant to acquire ISO 14001 certification.

Headway Technologies Inc., an American magnetic head maker, acquired.

Multilayer chip capacitor manufacturing and sales company established in Suzhou, China.
TDK R&D Corporation established as a research and development base in the United States.

System of outside directors and corporate officers introduced.
The Mikumagawa Plant becomes the TDK Gorup's first operations base in Japan to achieve zero emissions.

Innoveta Technologies, an American developer of power supplies for use in communications devices, acquired.

TDK becomes the first recording media maker to join the Blu-ray Disc Founders.

TDK acquires Amperex Technology Limited, a manufacturing and sales company of Polymer Lithium Battery in Hong Kong.
TDK acquires Lambda Power Group, power-supply business of Invensys plc.
TDK opens the TDK History Museum in Akita Prefecture.

DENSEI-LAMBDA
Nagaoka Plant

TDK History Museum

World's first bare Blu-ray Disc released.

TDK-brand recording media sales business transferred to US data storage products manufacturer and supplier Imation Corp.

Business merger by takeover bid with German electronic device manufacturer EPCOS.

TDK-EPC Corporation established by corporate separation
"Development of Ferrite Materials and Their Applications" recognized as IEEE Milestone

2009 The plaque of
IEEE Milestone for Ferrite