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Sumitomo Metal Mining Co., Ltd.

Private limited company (Ltd.) Active

in

Registration No.
9010401015273
Incorporation Date
2015-10-05
Company Type
Private limited company (Ltd.)
Address
Minato Ward, Japan
Website
www.granyamaki.com/
Source: National Tax Agency — Corporate Number Publication Site

Sumitomo Metal Mining Co., Ltd. is a Private limited company (Ltd.) registered in Japan under 9010401015273, and its current status with National Tax Agency — Corporate Number Publication Site is active. The company was incorporated on 5 October 2015 and lists its registered address as Minato Ward, Japan. No shareholders are recorded for Sumitomo Metal Mining Co., Ltd.; ownership in this jurisdiction is held as the kabunushi meibo (shareholder register) under Articles 121-122 of the Companies Act, a record kept privately rather than filed publicly. No beneficial owner (UBO) data is recorded for Sumitomo Metal Mining Co., Ltd.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules. This profile is sourced directly from National Tax Agency — Corporate Number Publication Site and was last updated on 11 August 2026.

Data Provenance
This record is sourced directly from official government registries, including National Tax Agency — Corporate Number Publication Site.

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Officers

5

The Executive Chairman of Sumitomo Metal Mining Co., Ltd. on record is Yoshiaki Nakazato; 5 officers are shown here, filed with National Tax Agency — Corporate Number Publication Site.

The register reports 22 officers in total, including past appointments, though only the 5 most relevant records are shown here.

The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.

YN
Yoshiaki Nakazato ACTIVE

Residence
🇯🇵 Japan
Occupation
Executive Chairman

KN
Kemori Nobumasa ACTIVE

Residence
🇯🇵 Japan
Occupation
Ceo

TH
Toru Higo ACTIVE

Residence
🇯🇵 Japan
Occupation
Senior Managing Executive Officer, Gm Of Corporate Planning & Director

HO
Hideyuki Okamoto ACTIVE

Residence
🇯🇵 Japan
Occupation
Managing Executive Officer, Gm Of Mineral Resources Business Unit & Director

MY
Mihoko Yano ACTIVE

Appointed
2019-01-01
Residence
🇯🇵 Japan
Occupation
Executive Officer & Gm Of Sustainability Dept.

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Group Structure

Sumitomo Metal Mining Co., Ltd. has no recorded parent company — it sits at the top of its own group structure, with 34 subsidiaries recorded beneath it across 11 jurisdictions. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.

Those 34 subsidiaries span Japan, China, Philippines, United States, South Korea, Canada, and 5 more jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear. Five of the 34 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.

Ultimate HQ
Sumitomo Metal Mining Co., Ltd.
Japan
SUMIKO LOGISTICS CO.,LTD.
JapanJP 9500001009691

Sumitomo Metal Mining Management (Shanghai) Co., Ltd.+ subsidiaries
ChinaCN 310115400277571

SHISAKA SMELTING CO.,LTD.
JapanJP 6500001013903

GRANOPT CO.,LTD.+ subsidiaries
JapanJP 1410001007530

CORAL BAY NICKEL CORPORATION
PhilippinesPH 005-961-540-000

Sumitomo Metal Mining Arizona, Inc.
United StatesUS WA 2080590

IGETA HEIM CO., LTD.
JapanJP 3011101054765

SMM KOREA CO.,LTD.
South KoreaKR 2208669927

+26 more entities

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Map the complete corporate hierarchy: parent companies, subsidiaries, and cross-border ownership chains.

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Frequently Asked Questions

Who is Sumitomo Metal Mining Co., Ltd.'s UBO (Ultimate Beneficial Owner)?

No Ultimate Beneficial Owner (UBO) data is recorded for Sumitomo Metal Mining Co., Ltd.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules.

What is Sumitomo Metal Mining Co., Ltd.'s company registration number?

Sumitomo Metal Mining Co., Ltd.'s registration number is 9010401015273, filed with National Tax Agency — Corporate Number Publication Site in Japan. Its current status on the register is active.

Is Sumitomo Metal Mining Co., Ltd. still an active company?

Sumitomo Metal Mining Co., Ltd.'s status on National Tax Agency — Corporate Number Publication Site is listed as active.

When was Sumitomo Metal Mining Co., Ltd. incorporated?

Sumitomo Metal Mining Co., Ltd. was incorporated on 5 October 2015, according to National Tax Agency — Corporate Number Publication Site.

What is Sumitomo Metal Mining Co., Ltd.'s registered address?

The registered address on file for Sumitomo Metal Mining Co., Ltd. is Minato Ward, Japan.

What legal structure is Sumitomo Metal Mining Co., Ltd. registered as?

Sumitomo Metal Mining Co., Ltd. is registered as a Private limited company (Ltd.) in Japan.

Who are the officers/directors of Sumitomo Metal Mining Co., Ltd.?

The Executive Chairman of Sumitomo Metal Mining Co., Ltd. on record is Yoshiaki Nakazato; 5 officers are shown here, filed with National Tax Agency — Corporate Number Publication Site.

Does Sumitomo Metal Mining Co., Ltd. have a parent company or subsidiaries?

Sumitomo Metal Mining Co., Ltd. has no recorded parent company — it sits at the top of its own group structure, with 34 subsidiaries recorded beneath it across 11 jurisdictions. Those 34 subsidiaries span Japan, China, Philippines, United States, South Korea, Canada, and 5 more jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear. Five of the 34 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.

Can Zavia monitor changes to Sumitomo Metal Mining Co., Ltd.'s ownership over time?

This profile reflects a point-in-time snapshot from National Tax Agency — Corporate Number Publication Site. Zavia's monitoring API can track changes to Sumitomo Metal Mining Co., Ltd.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.

Can I access Sumitomo Metal Mining Co., Ltd.'s data through an API?

Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Japan, so records like Sumitomo Metal Mining Co., Ltd.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.

Where does this company information come from, and how current is it?

This record is sourced directly from National Tax Agency — Corporate Number Publication Site and was last synced on 11 August 2026.

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