Nippon Denko

History

History

Nippon Denko Co., Ltd.

  • 1925

    Established Ogaki Denki Yakin Kogyosho Co., Ltd. (later Nippon Denki Yakin Co., Ltd.) and began producing and selling various ferroalloys

  • 1935

    Reorganized Ogaki Denki Yakin Kogyosho Co., Ltd. and named Denki Yakin Industry Co., Ltd. (later Nippon Denki Yakin Co., Ltd.)

  • 1936

    Renamed Denki Yakin Industry Co., Ltd. to Nippon Denki Yakin Co., Ltd.

  • 1937

    Began producing and selling chromium salts in Kuriyama, Hokkaido

  • 1949

    Listed on the Tokyo Stock Exchange

  • 1963

    Nippon Denko Co., Ltd. was formed with merger of Nippon Denki Yakin Co., Ltd. and Toho Denka Co., Ltd.

  • 1969

    Built Tokushima Plant and began operating (included pier facilities and large electric furnace)

  • 1973

    Began chromic acid recovery business

  • 1984

    Began producing and selling ferroboron using electric furnaces

  • 1989

    Began producing and selling zirconium oxide

  • 1992

    Completed new chromic acid recovery plant in Koriyama

  • 1993

    Established NST Ferrochrome (Pty) Limited jointly with South African firm Samancor (sold shares and withdrew in 2012)

  • 1996

    Began selling AQUA PACK cartridge-type demineralizers

  • 1999

    Began selling MR PACK pure water production systems

  • 2000

    • Formed strategic alliance with South African firm Samancor for ferromanganese production
    • Completed expansion of ferroboron production facility
    • Completed construction of boron recovery facility
    • Completed new zirconium oxide plant
  • 2001

    Formed strategic alliance with Nippon Rensui Co. (currently Mitsubishi Chemical Aqua Solutions Co., Ltd.)

  • 2002

    • Established SAJ Vanadium jointly with South African firm Highveld (sold shares and withdrew in 2017)
    • Established ND Recycle (sold shares and withdrew in 2017)
    • Started nickel recovery and recycling business
  • 2003

    • Acquired lithium manganese secondary battery materials business
  • 2004

    • Started fluorine recovery business
    • Began delivering pure water production systems for fuel cells
  • 2005

    Installed an in-house power generator that ran on gas from the electric furnace at the Tokushima Plant

  • 2008

    • Boosted low-carbon SLP ferromanganese production capacity to 30,000 t/year
  • 2009

    Established high-carbon ferromanganese production system with capacity of 220,000 t/year

  • 2010

    • Completed the first stage of large-scale plant for automotive battery materials
    • Further boosted low-carbon SLP ferromanganese production capacity to 40,000 t/year
  • 2011

    Completed the second stage of large-scale plant for automotive battery materials

  • 2012

    • Transferred chromium salts business to Nippon Chemical Industrial Co., Ltd.
    • Invested in Pertama Ferroalloys Sdn. Bhd.
  • 2013

    • Announced merger with Chuo Denki Kogyo Co., Ltd.
    • Acquired manganese mining interests in South Africa

Chuo Denki Kogyo Co., Ltd.

  • 1906

    Established Joetsu Denki (predecessor of Echigo Denki)

  • 1907

    Expanded into the hydroelectric power business, constructing the Zozo Hydroelectric Power plant to exploit the extensive snowmelt of the Myoko mountain range

  • 1922

    Chuo Denki K.K. was formed with merger of Echigo Denki and Matsumoto Dento

  • 1923

    Chuo Denki K.K. opened Taguchi Plant of Chemical Industries Division
    (Launched with acquisition of neighboring carbide manufacturer Tokyo Denka Kogyo and zinc and ferromanganese manufacturer Nihon Aen in Taguchi area of Myoko Kogen

  • 1934

    Chuo Denki Kogyo Co., Ltd. was established as a partnership of electric power and equipment provider Chuo Denki and ferroalloy manufacturing technology provider Chichibu Denki Kogyo

  • 1941

    Began producing electrolytic manganese metals

  • 1949

    Listed on the Niigata Stock Exchange

  • 1962

    Listed on the Second Section of the Tokyo Stock Exchange

  • 1969

    Began constructing Kashima Plant (currently Kashima Office)

  • 1970

    Kashima Plant (currently Kashima Office) began operating

  • 1976

    Began producing manganese sulfates

  • 1979

    Began producing manganese carbonates and started research on metal hydride alloys

  • 1986

    Began producing chemical manganese dioxide

  • 1992

    Began producing metal hydride alloys

  • 2001

    Began general waste treatment using ferroalloy furnaces

  • 2002

    No. 1 incineration ash melting furnace (EM1) came online and began treating industrial waste subject to special control

  • 2004

    • No. 2 incineration ash melting furnace (EM2) came online
  • 2005

    Ibaraki prefectural government recognized Kashima Plant (currently Kashima Office) as a superior recycling facility

  • 2006

    Began producing manganese sulfates for lithium-ion batteries

  • 2011

    • Acquired shares of magnet alloy manufacturer Sumikin Molycorp, Inc. from Sumitomo Metal Industries, Ltd. (currently NIPPON STEEL CORPORATION) and took over its lithium-ion battery anode materials business
    • Began producing graphite for lithium-ion batteries
  • 2012

    Invested in Pertama Ferroalloys Sdn. Bhd.

  • 2013

    • Obtained approval for soil decontamination
    • Recognized for superior treatment of industrial waste
    • Announced merger with Nippon Denko Co., Ltd.
    • Recognized for superior treatment of industrial waste subject to special control

Nippon Denko Co., Ltd.

Copyright (C) NIPPON DENKO CO., LTD.
All Rights Reserved.