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History

沿革
1938

April 8 : Established as Tohoku Metal Industries Co., Ltd

Tohoku Metal Industries Co., Ltd.

Tohoku Metal Industries Co., Ltd. at its foundation

Commercialized sendust powder magnetic core, based on the discovery of Dr. Hakaru Masumoto and Dr. Tatsuji Yamamoto (pictured left) of Tohoku University.
Commercialized TKS magnet (KS steel), based on the discovery of Dr. Kotaro Honda (pictured right) of Tohoku University.

Tatsuji Yamamoto and Dr. Kotaro Honda
1956

Commercialized Mn-Zn ferrite core.

Mn-Zn ferrite core
1959

Commercialized Ni-Zn ferrite core.

1960

Commercialized tantalum solid electrolytic capacitor J series (metal case hermetic seal type).

1962

Commercialized electromagnet (magnetron).
Commercialized PZT (lead zirconate titanate vibrator).

1964

Nephelite awarded Okochi Memorial Production Prize (jointly with NEC Corporation).

1971

Commercialized SmCo magnet.

1976

Awarded Ichimura Prize and the first Inoue Harunari Award for thermolite.

1981

Commercialized Memoalloy®, the world’s first omnidirectional shape-memory.

1982

Commercialized Super Capacitor. Commercialized calling card.

Super Capacitor
1983

Established Tokin EMC Engineering Co., Ltd.

1985

Commercialized multilayer piezoelectric actuator.

1988

Changed company name to TOKIN Corporation. Established a manufacturing facility in Thailand.

a manufacturing facility in Thailand
1994

Commercialized world’s first conductive polymer tantalum condenser, the NeoCapacitor PSN series.

Established a manufacturing facility in Xiamen, China.

a manufacturing facility in Xiamen, China
1995

Commercialized Flex Suppressor®.

Flex Suppressor
1997

Established a manufacturing facility in Vietnam.

2002

Integrated with NEC’s electronic component business and changed name to NEC TOKIN Corporation.

NEC TOKIN Corporation
2008

Developed, commercialized and promoted international standardization of measurement method of noise suppression sheet.
Awarded Contribution Prize of the 40th Ichimura Prizes in Industry.

2009

Promoted practical use of low-loss and high-current choke coil using metallic glass material “SENNTIX”.
Won the 57th Electrical Science and Engineering Promotion Award.

2011

Commercialized small and high-sensitivity surface mount pyroelectric infrared sensor with high sensitivity.

2012

Commercialized piezoelectric acoustic receiver for smartphones.

piezoelectric acoustic receiver for smartphones
2013

Formed capital and business alliance with KEMET Corporation, an electronic device manufacturer based in the United States.

2014

Commercialized high-permeability, high-impedance Mn-Zn ferrite (S18H).

2015

Commercialized highly permeable, high-flux density magnetic substance (Senfoliage).

2017

Changed name to TOKIN Corporation.
Fully integrated with KEMET Corporation.

2018

April 8 : 80th anniversary of our foundation.