- 1869
- The business was established by FUJITA Densaburo in Osaka.
- September 1884
- The Meiji government sells the Kosaka mine to Fujita Gumi, the forerunner to DOWA.
- May 1899
- Fujita Gumi begins a land reclamation project in Kojima Bay in Okayama.
- June 1902
- Fujita Gumi beings operation of black ore flash smelting in Kosaka.
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- April 1915
- Fujita Gumi acquires the Hanaoka mine in Akita.
- September 1916
- Fujita Gumi acquires the Yanahara mine in Okayama.
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- December 1945
- Corporate name changed to DOWA MINING CO., LTD.
- December 1952
- DOWA MINING discovers New iron sulfide ore deposit in Yanahara.
- August 1953
- DOWA MINING establishes OKAYAMA WORKS. (now DOWA ELECTRONICS MATERIALS OKAYAMA CO., LTD.)
- November 1965
- DOWA IRON POWDER INDUSTRIES CO., LTD. (now DOWA IP CREATION CO., LTD.) established in Okayama, commences Electronics Materials business.
- October 1973
- YOKOSAWA CHEMICAL INDUSTRIES CO., LTD. (now DOWA HIGHTECH CO., LTD.) became a subsidiary.
- August 1982
- Semiconductor Materials Laboratory is established in Akita.
- June 1983
- NIHON BENGARA KOGYO CO., LTD. (now DOWA F-TEC CO., LTD.) became a subsidiary.
- September 1983
- Production of Magnetic Recording Materials is started in OKAYAMA WORKS. (now DOWA ELECTRONICS MATERIALS OKAYAMA CO., LTD.)
- June 1988
- Completed construction and started operation of the Akita LED plant.
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- April 1993
- Established DOWA SEMICONDUCTOR. (now DOWA SEMICONDUCTOR AKITA CO., LTD.)
- April 2000
- Introduced the company system.
- March 2006
- Relocated the head office to Akihabara.
- October 2006
- Changed to the Holdings system.
Established DOWA ELECTRONICS MATERIALS CO., LTD.
(Spun off from DOWA MINING CO., LTD., as an electronics materials businesses company.)
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- February 2019
- An advanced fine material building was completed in Okayama.
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