Founding and the emerging of the fundamental chemicals business
- 1938
- Incorporates with capital of ¥4 million to manufacture metallic magnesium and caustic soda.
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Mitsubishi Nakadori No. 8 Building where first office was located
Metallic magnesium electrolyzer
- 1939
- Shibukawa Plant begins operation.
- Starts production of metallic magnesium and caustic soda.
- 1945
- Discontinues production of metallic magnesium.
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Shibukawa Plant after WWII
- 1950
- Launches production of trichloroethylene.
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Trichloroethylene production facilities
- 1951
- Lists stock on the over-the-counter market.
- 1952
- Begins producing perchloroethylene.
- 1956
- Starts producing cyclohexanone and cyclohexanol.
- 1960
- Opens Osaka sales office(branch office now).
- 1961
- Lists stock on the Second Section of the Tokyo Stock Exchange.
- 1962
- Opens Nagoya sales office.
- 1963
- Lists stock on the First Section of the Tokyo Stock Exchange.
- 1965
- Inaugurates Mizushima Plant.
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Mizushima Plant at time of completion of first construction phase
- 1967
- Starts producing vinylidene chloride.
Development of fluorinated chemicals and ferrochemicals businesses
- 1970
- Introduces first hydrofluoric acid electrolysis technologies to Japan.
- Launches production of sodium hypochlorite.
- 1971
- Begins producing sulfur hexafluoride.
- Begins producing aluminum chloride.
- Partners with Morishita Bengara Kogyo Co., Ltd. in iron oxide business.
- 1977
- Commences producing reprographics carriers.
- 1979
- Begins production of magnetic alloy powders.
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MAP (product) and metal tape using MAP
- 1981
- Starts producing carbon tetrafluoride.
- 1983
- Launches production of trifluoromethane.
- 1984
- Commences producing octafluoropropane.
- 1986
- Commences production of tungsten hexafluoride.
- Completes conversion from mercury electrolysis to ion-exchange membrane electrolysis.
- 1987
- Initiates production of nitrogen trifluoride.
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Fluorine gas ISO container
- 1988
- Starts producing ferrite carriers.
- Starts producing magnetite for pigments.
- 1989
- Begins producing silicon tetrafluoride and hexafluoroethane.
- Initiates sales of Kanden Dry chlorinated solvents for drying agents.
- Starts production of hexafluoroethane
- 1995
- Shibukawa Plant acquires ISO9002 certification for five fluorine-based products.
Entrance into battery materials business and overseas expansion
- 1997
- Begins producing chlorine trifluoride.
- Starts hydrofluoric acid electrolysis at Mizushima Plant.
- Starts producing lithium hexafluorophosphate.
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LiPF6 production facilities
- 1998
- Obtains ISO 9002 certification for the Mizushima plants.
- 1999
- Obtains ISO 14001 certification for the Shibukawa and Mizushima plants.
- 2000
- Obtains ISO 9001 certification for the Shibukawa and Mizushima plants.
- Establishes Kanto Denka Korea Co.,Ltd.
- 2002
- Establishes Taiwan Representive Office.
- 2004
- Establishes Taiwan Kanto Denka Co.,Ltd .
- 2005
- Ceases producing magnetic alloy powders.
- Suspends soda electrolysis at Shibukawa Plant.
- Starts production of hexafluoro-1,3-butadiene.
- 2010
- Starts production of monofluoromethane and carbonyl sulfide.
- 2011
- Establishes Kanto Denka Kogyo(Shanghai)Co.,Ltd.
- 2017
- Starts production of lithium boron fluoride.
- Establishes Kanto Denka Fine Products KOREA Co., Ltd.
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Kanto Denka Fine Products KOREA Co., Ltd.
- 2018
- Opens Taiwan Kanto Denka Co.,Ltd.(Singapore Branch)
- 2020
- Establishes Xuancheng KDK Technology Co., Ltd.
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Xuancheng KDK Technology Co., Ltd.
- 2022
- Transits to the Prime Market of the Tokyo Stock Exchange.
- Opens Kumamoto office.
- 2023
- Starts production of KSG-14.
- Changes name of Morishita Bengara Kogyo Co., Ltd. to Kanto Denka Finetech Co., Ltd.
- 2024
- Starts production of KSG-5.