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Jun 11, 2020 - Notice Regarding Change in the Company Name and Brand Mark of SEI Optifrontier
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Jun 8, 2020 - Development and Launch of SEC-Grooving Tool GND Series Tool Holders with Internal Coolant "GNDM-J Type / GNDL-J Type" for Small Lathe
- Jun 8, 2020
- High-efficiency PCD Cutter for Aluminum Alloys "ALNEX™ANX Type" Series Expansion, Development and Launch of Modular Type Heads
- Jun 1, 2020
- Sumitomo Electric Concludes Long-term Fusion Splicer Supply Agreement with TATA Communications Transformation Services
- May 26, 2020
- Sumitomo Electric Completes the Construction of Japan's Largest Wind Farm "Wind Farm Tsugaru"
- Jul 15, 2020
- New President's Blog Post
- 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) - May 28, 2020
- Convocation Notice of the 150th Ordinary General Meeting of Shareholders
- May 19, 2020
- Fact Book FY2019 4th Edition
