31 October 2025

Fact Book FY2025 2nd Edition

Investor Relations

Sumitomo Electric Industries, Ltd.

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Sumitomo Electric Wins Best Paper Award in B1 PS1 Category at CIGRE Paris Session 2026 -World’s First Technology to Detect Anomalies in 600 km-Long HVDC Submarine Cables-

28 September 2026

Meta, NEC and Sumitomo Electric to Collaborate on “Petal”, the World’s First Petabit Transoceanic Submarine Cable System

22 September 2026

Industry Leaders Complete SDM4 Multicore Fiber MSA and Release 1.0 Technical Specification

17 September 2026

Sumitomo Wiring Systems Advances Its Smart Factory Concept Through the Collaboration of AI Agents and Physical AI Robots (323 KB)

17 September 2026

Sumitomo Electric Exhibits Thunderbolt™5 and DisplayPort2.1 Cables at VISION 2026

07 September 2026

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