DOWAエレクトロニクス株式会社
DOWA ELECTRONICS MATERIALS CO., LTD. Alias
2006-05-02
Japan
半導体事業
電子材料事業
機能材料事業
研究・技術開発
暮らしを支える素材製品
赤外LED
深紫外LED
東京都千代田区外神田四丁目14番1号 秋葉原UDX 22階
鈴木 健彦
1,000,000,000  (10 100 million)
1,100 people

42 entries
DateDescription
1868 藤田伝三郎、大阪において事業を興す
1868 The business was established by FUJITA Densaburo in Osaka.
1884-08 藤田組が明治政府から小坂鉱山の払い下げを受ける
1884-08 The Meiji government sells the Kosaka mine to Fujita Gumi, the forerunner to DOWA.
1899-05 岡山で児島湾干拓事業に着手
1899-05 Fujita Gumi begins a land reclamation project in Kojima Bay in Okayama.
1902-06 小坂で黒鉱自熔製錬の操業開始
1902-06 Fujita Gumi beings operation of black ore flash smelting in Kosaka.
1915-04 秋田で花岡鉱山を買収
1915-04 Fujita Gumi acquires the Hanaoka mine in Akita.
1916-09 岡山で柵原鉱山を買収
1916-09 Fujita Gumi acquires the Yanahara mine in Okayama.
1945-12 商号を同和鉱業株式会社に変更
1945-12 Corporate name changed to DOWA MINING CO., LTD.
1952-06 柵原で硫化鉄鉱の新鉱床を発見(下部鉱体)
1952-12 DOWA MINING discovers New iron sulfide ore deposit in Yanahara.
1953-08 岡山製錬所の操業開始(現 DOWAエレクトロニクス岡山株式会社)
1953-08 DOWA MINING establishes OKAYAMA WORKS. (now DOWA ELECTRONICS MATERIALS OKAYAMA CO., LTD.)
1965-11 岡山で同和鉄粉工業株式会社を設立(現 DOWA IPクリエイション株式会社)
1965-11 DOWA IRON POWDER INDUSTRIES CO., LTD. (now DOWA IP CREATION CO., LTD.) established in Okayama, commences Electronics Materials business.
1973-10 貴金属化成品メーカーの横沢化学工業株式会社を子会社化(現 DOWAハイテック株式会社)
1973-10 YOKOSAWA CHEMICAL INDUSTRIES CO., LTD. (now DOWA HIGHTECH CO., LTD.) became a subsidiary.
1982-08 秋田で半導体材料研究所を設立
1982-08 Semiconductor Materials Laboratory is established in Akita.
1983-06 日本弁柄工業株式会社(現 DOWAエフテック株式会社)を子会社化
1983-06 NIHON BENGARA KOGYO CO., LTD. (now DOWA F-TEC CO., LTD.) became a subsidiary.
1983-09 岡山で磁気記録材料の生産を開始
1983-09 Production of Magnetic Recording Materials is started in OKAYAMA WORKS. (now DOWA ELECTRONICS MATERIALS OKAYAMA CO., LTD.)
1988-06 秋田でLED工場完成、操業開始
1988-06 Completed construction and started operation of the Akita LED plant.
1993-04 同和半導体(現 DOWAセミコンダクター秋田株式会社)設立
1993-04 Established DOWA SEMICONDUCTOR. (now DOWA SEMICONDUCTOR AKITA CO., LTD.)
2000-04 カンパニー制導入
2000-04 Introduced the company system.
2006-03 本社を秋葉原へ移転
2006-03 Relocated the head office to Akihabara.
2006-10 ホールディングス制に移行
2006-10 DOWAエレクトロニクス株式会社設立(電子材料事業の事業会社として同和鉱業株式会社より分社化)
2006-10 Changed to the Holdings system.
2006-10 Established DOWA ELECTRONICS MATERIALS CO., LTD.
2019-01 岡山で先端機能材棟が完成
2019-02 An advanced fine material building was completed in Okayama.
+ Loaded when opened
4010001099184
Trade nameDOWAエレクトロニクス株式会社
Trade name (kana)ドウワエレクトロニクス
Name in English
Corporation type301
Address〒101-0021 東京都千代田区外神田4丁目14番1号
Postal code1010021
Prefecture code13
City code101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2018-04-27
Change date2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type01
Correction type1
Trade name image ID
Address image ID
Sequence number1720635
Source: National Tax Agency Corporate Number Publication Site, basic three items
4010001099184
Corporate number4010001099184
Trade nameDOWAエレクトロニクス株式会社
Trade name (kana)ドウワエレクトロニクス
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address東京都千代田区外神田4丁目14番1号
Postal code1010021
Prefecture東京都
Prefecture code13
City or district千代田区
City code101
Street address外神田4丁目14番1号
Organisation type301
Processing type01
Correction type1
Status
Representative代表取締役 鈴木 健彦
Capital
Employees
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established2006-05-02
Unified government qualification - grade|A||A
Unified government qualification - business items204|402
Update date2018-04-27
Key information4010001099184
Source: gBizINFO (Ministry of Economy, Trade and Industry)
2026-09-21 18:03 (Model: gpt-oss-20b(99) )
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