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Aug 7, 2020 - Sumitomo Electric awarded for Redox Flow Battery Systems from Hokkaido Electric Power Network
- Aug 6, 2020
- Sumitomo Electric Completes Type Approval Test for 525kV DC Gas Insulated Switchgear Interface with Siemens Energy and Südkabel
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Jul 31, 2020 - Notice of Earnings Forecast and Dividend Forecast (
154.2 KB) - Jul 16, 2020
- Sumitomo Electric Delivers 115kV XLPE Triplex Cable and Completes Cable System Retrofit Replacement Project in San Francisco
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Jun 11, 2020 - Notice Regarding Change in the Company Name and Brand Mark of SEI Optifrontier
- Aug 5, 2020
- Sumitomo Electric Group e-magazine "id"Vol.11
～Electronic Devices that Underpin the Era of 5G History of challenges and forecasting of the future～ - Aug 3, 2020
- New President's Blog Post
- Jul 31, 2020
- Fact Book FY2020 1st Edition
- Jun 26, 2020
- 150th Notice of the Resolutions of the General Meeting of Shareholders
- Jun 3, 2020
- Convocation Notice of the 150th Ordinary General Meeting of Shareholders,2020 (150th_BUSINESS REPORT AND CONSOLIDATED FINANCIAL STATEMENTS) ( 1.6 MB)
