Mitsui Mining & Smelting Co., Ltd. (MMSMY)
OTCMKTS · Delayed Price · Currency is USD
14.24
0.00 (0.00%)
At close: Sep 5, 2025

Mitsui Mining & Smelting Company Description

Mitsui Mining & Smelting Co., Ltd. engages in the manufacture and sale of metal products in Japan and internationally.

The company operates through Engineered Materials, Metals, Mobility, and Other Businesses segments. It offers engineered powders, including ultra-fine powders for electronic materials, powder metallurgy, and solder powders; rare metals, such as tantalumu and niobium oxides and carbides, and cerium oxide abrasives; battery materials comprising hydrogen storage alloys and lithium manganese oxides; catalysts; copper foils; PVD materials; and ceramics for electronic components.

The company also provides side and back door latches, hood latches, etc. for automobiles; perlite for processing and cooling; Nenisanso, a soil improvement material; and ROKAHELP, a perlite-based filter aid.

In addition, it smelts and recycles nonferrous metals consisting of zinc, zinc base alloys, lead, tin, bismuth, antimony trioxide, copper, gold and silver, and sulfuric acid; explores for copper and zinc ores; operates geothermal power plant; and provides resource development and environmental protection engineering services.

Further, the company offers zinc and lead ingots, zinc sulfate, zinc raw materials, and sulfuric acid and plaster products; chemical products; optical crystals, scintillators, and radiation detectors; rolled copper foil products.

Additionally, it engages in the mechatronics and corrosion prevention businesses; handling wires and cables activities; and provision of engineering services and IT systems.

The company was formerly known as Kamioka Mining and Smelting Co., Ltd. and changed its name to Mitsui Mining & Smelting Co., Ltd. in 1952.

Mitsui Mining & Smelting Co., Ltd. was incorporated in 1950 and is headquartered in Tokyo, Japan.

Mitsui Mining & Smelting Co., Ltd.
Mitsui Mining & Smelting logo
CountryJapan
Founded1950
IndustryConglomerates
SectorIndustrials
Employees12,097
CEOTakeshi Nou

Contact Details

Address:
1-11-1 Osaki
Tokyo, 141-8584
Japan
Phone81 3 5437 8028
Websitemitsui-kinzoku.com

Stock Details

Ticker SymbolMMSMY
ExchangeOTCMKTS
Fiscal YearApril - March
Reporting CurrencyJPY
ISIN NumberUS6068442077
SIC Code3330

Key Executives

NamePosition
Takeshi NouChief Executive Officer, President and Representative Director
Seiichiro YoshimotoExecutive Officer and GM of Accounting Dept.
Kawahara MakotoSenior Executive Officer and Senior GM of Technology Sector
Keiji FujimotoIR Manager
Akiko SugimotoExecutive Officer and GM of Human Resources Dept.
Makoto MiyajiChief Environmental, Health and Safety Officer
Masato OkabeSenior MD, Senior Managing Executive Officer, Senior GM of Engineered Materials Sector and Director
Kiyotaka YasudaSenior Executive Officer and Senior GM of Business Creation Sector
Masashi YamashitaMD, Senior Exec Officer and Deputy SGM of Corporate Planning & Control Sector
Saito OsamuSenior Executive Officer and Senior GM of Metals Sector