- February, 1979
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Established Repco Inc. as a development and sales company.
- May, 1979
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Established a research laboratory and a test plant in Sagamihara as receiving aid for technical research and development from Ministry of International Trade and Industry.
- November, 1981
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Established Canada Mica Ltd. as a production company.
- December, 1981
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Obtained a licence (including a sublicence) of basic patents of Professor Woodhams from the University of Toronto in Canada on the use of high aspect ratio Mica flakes for plastic composition.
- July, 1982
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Completed construction of a production plant in Bizen, Okayama.
- August, 1983
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Signed business tie-up contract related to manufacturing and utilization techniques and sales of phlogopite produced in Finland.
- July, 1990
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Started sales of Muscovite produced in China.
- April, 1995
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Signed business tie-up contract related to production and sales with Kish Company (USA)
- April, 2005
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Established a plant in Nanjing, Jiangsu, China.
- July, 2005
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Established Beijing office.
- February, 2006
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Absorbed Canada Mica Ltd.
- February, 2006
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Entered into business tie-ups with Kish Company (USA).