History
1938
April 8: Tohoku Metal Industries Co., Ltd. is established.
Tohoku Metal Industries Co., Ltd. at the time of its founding
1942
Ni-Zn ferrite core commercialized
Signed patent license agreement with Tohoku University Chemical Measurement Laboratory for Mn-Zn ferrite core
1960
Tantalum solid electrolytic capacitor J series (metal case hermetically sealed type) commercialized
1962
Commercialization of electromagnets (magnetrons) and PZT (lead zirconate titanate type vibrators)
1964
High-performance Mn-Zn ferrite “Neferite” won the Okochi Memorial Production Award (jointly with NEC)
1969
Commercialization of SmCo magnets (sintered type 1-5 series)
1972
Toyama Nippon Electric Co., Ltd. (now Tokin Toyama Plant) established
1976
Received the first Inoue Harunari Prize for research into the application of the temperature-sensitive magnetic material “Thermolite.”
1981
Commercialization of the world’s first omnidirectional shape memory alloy “Memo Alloy®”
1982
Commercialization of electric double layer capacitor “Supercapacitor” Commercialization of telephone cards
1984
Tokin Shiroishi Corporation (now Tokin Shiroishi Plant) established.
1985
Commercialization of multilayer piezoelectric actuator
1988
Changed company name to Tokin Corporation Established Thai factory (then NEC)
1994
World’s first conductive polymer tantalum capacitor (NeoCapacitor® PSN series) commercialized
China (Xiamen) factory established
1997
Vietnam factory established
2002
Merged with NEC’s electronic components business and changed company name to NEC TOKIN Corporation
2008
Development and commercialization of noise suppression sheets and international standardization of measurement methods 40th Ichimura Industrial Award Contribution Award
2009
“Development and commercialization of low-loss, high-current choke coils using metallic glass material Senntix®” 57th Electrical Science and Technology Encouragement Award
2012
Thailand Factory New factory established in Wellgrow Industrial Estate
2013
Formed capital and business alliance with US electronic parts manufacturer KEMET
2017
Nanocrystal EMI core (ESD-RH-NC series) commercialized. Changed company name to Tokin Corporation. Became a wholly owned subsidiary of KEMET Corporation.
2020
KEMET becomes a wholly owned subsidiary of Taiwanese electronic components manufacturer YAGEO
