Tieron / Targeting
Annual report 2026-06-22
Companies › Japanese listed company

三菱マテリアル株式会社 (MITSUBISHI MATERIALS CORPORATION)

Tokyo Stock Exchange 5711, Nonferrous Metals. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
三菱マテリアル株式会社
TICKER
TSE 5711
EDINET CODE
E00021
CORPORATE NUMBER
6010001023786
INDUSTRY
Nonferrous Metals (非鉄金属)
HEAD OFFICE
千代田区丸の内三丁目2番3号
DISCLOSED FOOTPRINT
20 sites · 29 subsidiaries

Disclosed major customers

Counterparties MITSUBISHI MATERIALS CORPORATION named in its own annual securities report. A third-party company named here has MITSUBISHI MATERIALS CORPORATION in its supply base.

住友商事株式会社13% of revenue
住友商事株式会社 | 前連結会計年度 428,349百万円(21.8%) | 当連結会計年度 239,565百万円(13.0%)
Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YFRY

Disclosed suppliers

Suppliers MITSUBISHI MATERIALS CORPORATION named in its own annual securities report.

WITHIN THE GROUP — MITSUBISHI MATERIALS CORPORATION’s own consolidated subsidiaries and affiliates (関係会社の状況). Intra-group transfers, not third-party trade.
日本新金属株式会社
当社にタングステン製品を供給しております。
Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YFRY
細倉金属鉱業株式会社
当社に電気鉛を供給しております。
Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YFRY
三菱電線工業株式会社
当社より電気銅を購入しております。
Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YFRY
マントベルデ社
当社に銅精鉱を供給しております。
Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YFRY
The filing states a human-rights policy and partially describes human-rights due diligence: “関連する方針として、人権方針、環境方針、調達方針等を定めています。当社グループは、サステナビリティ課題に適切に対応していくことが当社グループにおける様々なリスクの低減につながると考えております。また、当社グループでは、重大リスクをグループ全体に共通するリスク、グループ内の一定範囲に共通するリスク、事業固有のリスク(事業全体の運営に重大な影響を及ぼすリスク)、及び事業拠点固有のリスク(拠点運営に重大な影響を及ぼすリスク)として、各階層が担うべき役割(計画の策定、実行、支援、モニタリング/レビュー)

Sector risk context: supply-chain risk for Mining & Metals (smelting/refining) in Japan.

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Sources: EDINET code list (Financial Services Agency) and the company’s own annual securities report (有価証券報告書) retrieved via EDINET. Disclosed relationships are quoted from the filing and carry its EDINET accession number; extraction is automated and conservative — anything the filing does not state is left out. Tieron does not certify, audit or endorse the company, and this page contains no Tieron risk assessment. Report an issue with this page — corrections referencing the accession number shown above are fastest to verify.