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Izumiya[]

1590–1927[]

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Sumitomo Besshi Mining Company[]

1927–1937[]

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Sumitomo Coal Mine Company[]

????–1937[]

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Sumitomo Mining Company[]

1937–1946[]

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In 1937, the Sumitomo Besshi Mining Company and the Sumitomo Coal Mine Company merged to form the Sumitomo Mining Company.

Ika Mining Company[]

1946–1950[]

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Sumitomo Metal Mining[]

1950–2019[]

Sumitomo Metal Mining old logo

2019–present[]

Sumitomo Metal Mining logo
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