Sumitomo Metal Mining Co., Ltd. (TYO:5713)
Japan flag Japan · Delayed Price · Currency is JPY
7,616.00
-380.00 (-4.75%)
Jun 9, 2026, 12:35 PM JST

Sumitomo Metal Mining Company Description

Sumitomo Metal Mining Co., Ltd., together with its subsidiaries, engages in the resource development, manufacture, and sale of non-ferrous metal products in Japan and internationally.

It operates through Resource, Smelting, and Material segments. The company is involved in the development and operation of the Hishikari Mine and other mines; smelting and refining business, which provides metal products, such as copper, nickel and cobalt, silver, platinum, rhodium, ruthenium, palladium, slag sand, copper sulfate, selenium, gypsum, sulfuric acid, and green sand, as well as gold and precious metals, rolled copper foil, copper and brass strips, tin plated copper and brass strips, and iron contained pellets; and develops and produces battery materials.

It also produces battery cathode material for vehicles; lithium tantalate and lithium niobate for communication devices; cesium tungsten oxide, other near infrared ray absorbing materials, and thick film pastes; copper-clad polyimide films and printed wiring boards; silicon-carbide semiconductor; and automobile exhaust gas purification catalysts, chemical catalysts, and hydrotreating catalysts.

In addition, the company engages in the water and precious metals recycling; water treatment and environmental improvement operations; and environmental preservation; sterilization, disinfection, and polymer material modification services for medical devices, non-woven fabrics and hygienic materials, laboratory and clinical testing equipment, containers, food packaging materials, pharmaceutical, cosmetic, and herbal medicine materials.

Further, it is involved in the coastal shipping, port transport, in-plant logistics, and land transportation.

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.

Sumitomo Metal Mining Co., Ltd.
CountryJapan
Founded1590
IndustryIndustrial Materials
SectorMaterials
Employees7,402
CEONobuhiro Matsumoto

Contact Details

Address:
Shimbashi Sumitomo Building
Tokyo, Tokyo 105-8716
Japan
Phone81 3 3436 7926
Websitesmm.co.jp

Stock Details

Ticker Symbol5713
ExchangeTokyo Stock Exchange
Stock TypeCommon Stock
Fiscal YearApril - March
Reporting CurrencyJPY
ISIN NumberJP3402600005
SIC Code3330

Key Executives

NamePosition
Nobuhiro MatsumotoChief Executive Officer
Yasuhiro MiyakeChief Financial Officer