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株式会社レゾナック・ホールディングス
Resonac Holdings Corporation Alias
株式会社レゾナック・ブレーキ Alias
1939-06-01
4004
TYO
Japan
半導体前工程材料
半導体後工程材料
ハードディスク
SiC
自動車部品
アルミ機能部材
基礎化学品
黒鉛電極
リチウムイオン電池材料
機能性化学品
樹脂材料
コーティング材料
セラミックス
半導体材料
電子材料
〒105-7325 東京都港区東新橋1-9-1　東京汐留ビルディング
髙橋 秀仁（たかはし ひでひと）
182,146,000,000 　(1,821 100 million)
338 people
21,525 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Resonac Ceramics Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Gas Products Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Hard Disk Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Kenso Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
日化トウチュウ株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
昭和電工マテリアルズ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
東京液化酸素株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社HKSP
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナック・アプライドカーボン
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック・オートモーティブプロダクツ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナック・ガスプロダクツ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック・セラミックス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナック・ハードディスク
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック・ビジネスサービス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック研装
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック建材
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
Resonac Graphite Japan Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナック
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック・グラファイト・ジャパン
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
五井化成株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
日本ポリエチレン株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Japan Polyethylene Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
HDマイクロシステムズ株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Universal Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナックユニバーサル
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
Crasus Chemical Inc.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Applied Carbon Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Brake Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Business Service Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Kenzai Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Light Metal Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Resonac Techno Service Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
SunAllomer Ltd.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
クラサスケミカル株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
サンアロマー株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
ハイパック株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
新潟昭和株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
昭和電工
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社レゾナック・テクノサービス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック・ブレーキ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
株式会社レゾナック軽金属
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary

18 entries
DateDescription
1931 Started manufacturing ammonium sulfate using domestic technology (Showa Fertilizers K.K.)
1934 Industrialized domestically produced aluminum (Nihon Iodine K.K.)
1939-06 昭和電工と昭和電工マテリアルズ（旧日立化成）が統合し、持株会社の株式会社レゾナック・ホールディングスが誕生しました。
1939-06 設立年月 : 1939年6月
1945 Resumed production of ammonium sulfate fertilizer
1951 Achieved domestic production of synthetic resin emulsion
1953 Achieved domestic production of unsaturated polyester resin
1962-10 株式会社レゾナックが設立されました。
1962-10 設立年月 : 1962年10月
1965 Achieved domestic production of vinyl ester resin
1969 Oita Petrochemical Complex started commercial operation
1981 Developed the “Cojunal Method”, a high-purity aluminum refining
1986 Started manufacture and sale of aluminum cylinders
1988 Expanded into the hard disk business
2020 Acquired Hitachi Chemical Company, Ltd. (presently Showa Denko Materials Co., Ltd.)
2023 Became Resonac Holdings Corporation and Resonac Corporation, integrating Showa Denko K.K and Showa Denko Materials Co.,Ltd.
2023-01-01 2023年1月1日、昭和電工と昭和電工マテリアルズ（旧日立化成）が統合し、持株会社の「株式会社レゾナック・ホールディングス」、事業会社の「株式会社レゾナック」が誕生しました。
2025 Spun off the petrochemical business to form Crasus Chemical Inc.
+ Loaded when opened
9010401014548
Trade name株式会社レゾナック・ホールディングス
Trade name (kana)レゾナックホールディングス
Name in English
Corporation type301
Address〒105-0021 東京都港区東新橋１丁目９番１号
Postal code1050021
Prefecture code13
City code103
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2023-10-04
Change date2023-10-02
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type12
Correction type0
Trade name image ID
Address image ID
Sequence number2487048
Source: National Tax Agency Corporate Number Publication Site, basic three items
9010401014548
Corporate number9010401014548
Trade name株式会社レゾナック・ホールディングス
Trade name (kana)レゾナックホールディングス
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address東京都港区東新橋１丁目９番１号
Postal code1050021
Prefecture東京都
Prefecture code13
City or district港区
City code103
Street address東新橋１丁目９番１号
Organisation type301
Processing type12
Correction type0
Status
Representative取締役社長　　髙橋　秀仁
Capital182146000000
Employees346
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date2023-10-04
Key information9010401014548
Source: gBizINFO (Ministry of Economy, Trade and Industry)
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2026-09-21 17:56 (Model: ggml-org/gpt-oss-20b )
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