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Dec 18, 2020 - Sumitomo Electric Succeeds in World's First Mass Production of 0.14 dB/km Ultra-low-loss Optical Fiber
- Dec 10, 2020
- Sumitomo Electric Selected as Official Sponsor for the 1st Vocational Skills Competition of the People's Republic of China
- Dec 7, 2020
- Sumitomo Electric Acquires Certification for its Cables Compliant with the Latest Thunderbolt™ 4 Standard
- Dec 4, 2020
- Sumitomo Electric Exhibits at GITEX 2020
- Nov 11, 2020
- Sumitomo Electric Has Installed Over 10,000 PLC String Monitoring Unites for Solar Power Plants
- Dec 14, 2020
- New President's Blog Post
- Nov 6, 2020
- Fact Book FY2020 2nd Edition
- Oct 29, 2020
- SEI TECHNICAL REVIEW No.91
- Aug 25, 2020
- Annual Report 2020 Published
- 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～
