Mitsubishi Materials Corp.
History
| Year | Detail |
|---|---|
| 1871 | Tsukumo Shokai, later Mitsubishi Shokai, began mining by leasing a coal mine from the Shingu clan in Kishu. This marked the company's initial foray into the mining sector, setting the stage for its future growth and diversification. |
| 1873 | Mitsubishi Shokai, precursor to Mitsubishi Goshi Kaisha, acquires the Yoshioka Mine in Okayama Prefecture and enters the precious metals mining business. |
| 1918 | Mitsubishi Mining Company Ltd. was established and took over the coal and metal mining operations of Mitsubishi Goshi Kaisha and the operation of the research facility. |
| 1954 | Mitsubishi Cement Corporation was established, marking its entry into the cement business. |
| 1973 | Mitsubishi Mining Co., Ltd., Mitsubishi Cement Corp., and Hokoku Cement Corp. merged to form Mitsubishi Mining & Cement Co., Ltd., which was later renamed Mitsubishi Metal Corporation. |
| 1990 | Mitsubishi Metal Corp. and Mitsubishi Mining & Cement Co., Ltd. merged to form Mitsubishi Materials Corporation. |
| 2015 | Hitachi Tool Engineering, Ltd. transitioned from a consolidated subsidiary of Hitachi Metals, Ltd. to a subsidiary of Mitsubishi Materials Corporation and subsequently changed its name to Mitsubishi Hitachi Tool Engineering, Ltd. |
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