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Jan 15, 2021 - Sumitomo Electric is Awarded Submarine Cable System for the Southeast Alaska Power Agency, Alaska, USA
- Jan 13, 2021
- Sumitomo Electric Develops and Delivers Air Springs for the Tokaido Shinkansen's New N700S Trains
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Jan 4, 2021 - New Year's Message from the President
- Dec 22, 2020
- Sumitomo Electric Receives Order for Traffic Control System-related Products for Bangkok, Thailand
- Dec 18, 2020
- Sumitomo Electric Succeeds in World's First Mass Production of 0.14 dB/km Ultra-low-loss Optical Fiber
- Jan 18, 2021
- Sumitomo Electric Group e-magazine "id"Vol.12
～Optical Fiber Fusion Splicers for Increasing Data Traffic A way to become a global leader～ - Dec 25, 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
