COMPANYHistory
| 1938 | Incorporates with capital of \4 million to manufacture metallic magnesium, caustic soda and hydrochloric acid. |
|---|---|
| 1939 | Starts producing metallic magnesium and caustic soda at the Shibukawa Plant. |
| 1945 | Ceases producing metallic magnesium and starts manufacturing inorganic chemicals with caustic soda as the main product line. |
| 1950 | Launches production of trichloroethylene. |
| 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. |
| 1967 | Starts producing 1,1,1-trichloroethane and vinylidene chloride. |
| 1970 | Introduces first hydrofluoric acid electrolysis technologies to Japan. Launches production of sodium hypochlorite. |
| 1971 | Begins producing sulfur hexafluoride and aluminum chloride. |
| 1977 | Commences producing reprographics carriers. |
| 1979 | Begins production of magnetic alloy powders and iodine pentafluoride. |
| 1981 | Starts producing carbon tetrafluoride. |
| 1983 | Launches production of trifluoromethane. |
| 1984 | Commences producing octafluoropropane. |
| 1986 | Commences production of tungsten hexafluoride. Completes switchover at Shibukawa and Mizushima plants to new ion-exchange membrane cell method of electrolytic caustic soda production from mercury cell method. |
| 1987 | Initiates production of nitrogen trifluoride. |
| 1988 | Starts producing ferrite carriers and magnetite for pigments. |
| 1989 | Begins producing silicon tetrafluoride and hexafluoroethane. Initiates sales of Kanden Dry chlorinated solvents for drying agents. |
| 1995 | Obtains ISO 9002 certification for five fluorochemical products at the Shibukawa Plant. |
| 1997 | Begins producing chlorine trifluoride. Installs new hydrofluoric acid electrolytic equipment at the Mizushima Plant. Starts producing lithium hexafluorophosphate. |
| 1998 | Obtains ISO 9002 certification for the Mizushima plants. |
| 1999 | Obtains ISO 14001 certification for the 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. Shibukawa Plant withdraws from soda electrolyte business, which is transferred to a single-factory system at the Mizushima Plant. Launches hexafluoro-1,3-butadiene. |
| 2010 | Launches Monofluoromethane and Carbonyl sulfide. |
| 2011 | Establishes Kanto Denka Kogyo(Shanghai)Co.,Ltd. |
| 2017 | Launches Lithium Tetrafluoroborate Establishes Kanto Denka Fine Products KOREA Co., Ltd. |
| 2018 | Opens Taiwan Kanto Denka Co.,Ltd.(Singapore Branch) |
| 2020 | Establishes Xuancheng KDK Technology Co., Ltd. |
| 2022 | Transits to the Prime Market of the Tokyo Stock Exchange. Opens Kumamoto office. |
| 2023 | Launches KSG-14 |
| 2024 | Launches KSG-5 |