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Sumitomo Metal Mining Co., Ltd. (STMNF)

Other OTC - Other OTC Delayed Price. Currency in USD
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30.730.00 (0.00%)
At close: 09:35AM EDT

Sumitomo Metal Mining Co., Ltd.

Shimbashi Sumitomo Building
11-3, Shimbashi 5-chome Minato-ku
Tokyo 105-8716
81 3 3436 7705

Sector(s)Basic Materials
IndustryOther Industrial Metals & Mining
Full Time Employees7,202

Key Executives

NameTitlePayExercisedYear Born
Mr. Yoshiaki NakazatoExec. Chairman748.11kN/A1953
Mr. Akira NozakiPres & Representative DirectorN/AN/A1960
Mr. Masahiro MorimotoManaging Exec. Officer and GM of Fin. & Accounting Dept.N/AN/A1959
Kunihiko MiyamotoExec. Officer and GM of Fin. & Accounting DepartmentN/AN/AN/A
Mr. Shuichi OgasawaraManaging Exec. Officer & GM of Technology DivisionN/AN/AN/A
Mr. Takahiro KanayamaManaging Exec. Officer, GM of HR Department & DirectorN/AN/A1963
Mr. Shuichi YasukawaManaging Exec. Officer & GM of CSR DepartmentN/AN/AN/A
Fumio MizunoSr. Managing Exec. Officer & GM of Mineral Resources DivisionN/AN/AN/A
Mr. Nobuhiro MatsumotoSr. Managing Exec. Officer, GM of Non-Ferrous Metals Division & DirectorN/AN/A1963
Mr. Toru HigoSr. Managing Exec. Officer, GM of Corp. Planning & DirectorN/AN/A1961
Amounts are as of December 31, 2015 and compensation values are for the last fiscal year ending on that date. Pay is salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.


Sumitomo Metal Mining Co., Ltd., together with its subsidiaries, engages in mining, smelting, and refining non-ferrous metals in Japan and internationally. It operates through three segments: Mineral Resources, Smelting & Refining, and Materials. The company provides metal products, including copper, nickel/cobalt, gold/precious metal, and others; battery materials, such as nickel hydroxides, lithium nickel-cobalt-aluminum oxides, and lithium nickel manganese cobalt oxide; and crystal materials, including lithium tantalates/lithium niobates, optical isolators, faraday rotators, and substitute gallium gadolinium garnet. It also offers powder materials comprising thick film pastes, nickel and fine copper powders, nickel oxides, absorbing materials, sputtering targets, AuSn solder materials, rare earth magnetic materials, and lubricants; package materials consisting of copper-clad polyimide films and printed wiring boards; automotive, hydro processing (HPC), rejuvenation and regeneration of HPC, and petrochemical catalysts products; construction materials; and terminal and connectors. In addition, the company is involved in the water and precious metals recycling; water treatment and environment-related engineering; sterilization and property modification by irradiation; and domestic marine transportation businesses. Further, it engages in the real estate and technical engineering businesses. The company was formerly known as Seika Kogyo (Mining) Co., Ltd. and changed its name to Sumitomo Metal Mining Co., Ltd. in June 1952. Sumitomo Metal Mining Co., Ltd. was founded in 1590 and is headquartered in Tokyo, Japan.

Corporate Governance

Sumitomo Metal Mining Co., Ltd.’s ISS Governance QualityScore as of July 31, 2022 is 6. The pillar scores are Audit: 1; Board: 4; Shareholder Rights: 9; Compensation: 4.

Corporate governance scores courtesy of Institutional Shareholder Services (ISS). Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while a 10 indicates higher governance risk.