Nov 3, 2026, 02:16 UTC
Sumitomo Electric Industries raised its InP substrate production capacity target to 4.5 times its 2024 level by fiscal 2029.
Source:Oct 31, 2026, 23:15 UTC
Tokyo Stock Exchange Prime Market data showed increases in margin short positions for the week ended October 23, led by Infroneer Holdings with a 5.535 million-share increase, followed by CKD with 1.153 million and Sony Financial Group with 813,000.
Source:Oct 31, 2026, 23:10 UTC
Tokyo Stock Exchange Prime-listed shares saw increases in margin-buying balances from October 16 to October 23, led by Sony Financial Group with an increase of 5.734 million shares.
Source:Oct 30, 2026, 12:22 UTC
Sumitomo Electric Industries said it will increase production capacity for indium phosphide substrates used in optical communications components to 4.5 times fiscal 2025 levels by fiscal 2030, accelerating its previous plan.
Source:Oct 30, 2026, 09:07 UTC
Sumitomo Electric Industries raised its fiscal year ending March 2027 consolidated net profit forecast to ¥370 billion, up slightly year over year and a record, from its previous forecast of ¥340 billion.
Source:Oct 30, 2026, 06:00 UTC
Sumitomo Electric Industries reported consolidated ordinary profit of ¥231.2 billion for the six months ended September 2026, up 48.7% year over year, and raised its full-year forecast by 12.0% to ¥515.0 billion.
Source:Oct 30, 2026, 06:00 UTC
Sumitomo Electric Industries raised its planned annual dividend for the current fiscal year to ¥44 per share from ¥39.
Source:Oct 27, 2026, 03:04 UTC
Sumitomo Electric Industries plans to expand its range of tools that use 80% less tungsten by 30%.
Source:Oct 19, 2026, 06:00 UTC
Sumitomo Electric Industries said it would open a new submarine power-cable factory at Nigg Port in Scotland, investing £3.5 billion in a facility with 58,000 square metres of floor space.
Source:Oct 17, 2026, 23:05 UTC
Tokyo Stock Exchange Prime Market data showed week-over-week declines in margin short positions for the listed stocks, led by Aozora Bank (down 1.476 million shares), Kioxia (down 1.072 million), and Furukawa Electric (down 999,000).
Source:Oct 14, 2026, 06:00 UTC
Sumitomo Electric Industries announced that it had begun a study in Samoa on a microgrid business to stabilize electricity supply and assess commercializing a grid-stabilization system using its batteries.
Source:Sep 28, 2026, 08:10 UTC
Sumitomo Electric Industries announced it has developed the world's first technology to detect abnormalities in long-distance submarine power cables of up to 600 kilometers using sensors.
Source:Sep 28, 2026, 05:46 UTC
Sweden's Ericsson signed separate memoranda of understanding with Murata Manufacturing and Sumitomo Electric Industries to jointly research next-generation 6G and AI-related communications technologies.
Source:Sep 25, 2026, 23:50 UTC
Sumitomo Electric Industries applied to change its market segment to the Tokyo Stock Exchange Standard Market, sending its shares sharply higher.
Source:Sep 25, 2026, 12:49 UTC
Meta announced plans to build Petal, a 7,000 km petabit-capacity submarine fiber-optic cable connecting the US and France, partnering with NEC, Sumitomo Electric Industries and Orange.
Source:Sep 24, 2026, 16:15 UTC
O-ID signed a letter of intent with Sumitomo Electric Industries to begin discussions on the potential use of Sumitomo Electric's technologies in wire harnesses for humanoid robots.
Source:Sep 24, 2026, 02:26 UTC
Sumitomo Electric Industries announced it will collaborate with Meta and NEC to build "Petal," the world's first commercial petabit-class optical submarine cable system, a roughly 7,000 km transatlantic link between the United States and France slated to begin operation in 2029.
Sep 22, 2026, 09:33 UTC
NEC announced on September 22 that it will participate in Meta's Petal submarine optical cable project between the United States and France, handling overall system design and construction, with operations targeted for 2029.
Source:Sep 17, 2026, 07:19 UTC
ExaWizards and Sumitomo Electric Industries subsidiary Sumitomo Wiring Systems began jointly developing a group of AI agents for use on production floors, aiming to run overseas proof-of-concept within the fiscal year and full global rollout next fiscal year.
Aug 17, 2026, 11:08 UTC
Iwatani Corporation announced on August 17, 2026, the launch of a hot air generator capable of co-firing city gas or LPG with hydrogen, targeting applications such as automotive paint drying, with prices starting at approximately 10 million yen.
Source:Aug 16, 2026, 18:02 UTC
LandMark Optoelectronics announced a capital expenditure of NT$1.315 billion to purchase equipment for expanding epitaxial capacity and signed a long-term supply contract for InP substrates with Sumitomo Electric Industries.
Source:Jul 16, 2026, 09:00 UTC
Sumitomo Electric Industries will increase production capacity of stationary storage batteries by about five times by 2028, expanding facilities at its Osaka Works.
Source:Jul 13, 2026, 15:30 UTC
Sandisk entered into a multi-year flash chip supply agreement with Meta Platforms.
Source:Jul 10, 2026, 08:22 UTC
Sumitomo Electric Industries announced a long-term strategic partnership with SSEN Transmission, a major Scottish power transmission company, for submarine power cable projects, covering design through cable laying.
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