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Fujitsu sold its approximately 29.68 million shares in Eudyna Devices Inc. to Sumitomo Electric Industries in a transaction announced in December 2008, with the transfer planned for April 1, 2009. It was a sale of Fujitsu’s stake in a jointly created compound-semiconductor business—not a sale of Fujitsu’s entire semiconductor group. Fujitsu said the move supported restructuring and cost reduction; Sumitomo said the acquisition would expand its products and technologies for its customer base.
What Fujitsu sold—and when
EE Times reported on December 22, 2008, that Fujitsu had agreed to sell approximately 29.68 million shares in Eudyna Devices Inc. to Sumitomo Electric Industries. The companies planned to complete the share transfer on April 1, 2009. The report does not state a purchase price or valuation. EE Times
The distinction matters: the transaction concerned Fujitsu’s Eudyna shares, not all of Fujitsu’s semiconductor operations. Eudyna had begun as a 50:50 joint venture, so the sale changed ownership of Fujitsu’s interest in that specific company.
What Eudyna was
Fujitsu and Sumitomo Electric announced their basic joint-venture agreement on December 25, 2003. The plan brought together Fujitsu Quantum Devices, a wholly owned Fujitsu subsidiary engaged in compound-semiconductor development, manufacturing and sales, and Sumitomo Electric’s compound-semiconductor electronic-devices operation. Each partner was to own half of the venture, with operations targeted to begin April 1, 2004. Fujitsu’s joint-venture announcement
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The companies described the venture as combining their capabilities in compound-semiconductor devices. Sumitomo Electric also brought strengths in materials and epitaxial growth, while Fujitsu Quantum Devices contributed its device business. Fujitsu’s joint-venture announcement
Why the companies made the deal
Fujitsu: restructuring and cost reduction
Fujitsu’s stated purpose, as reported by EE Times, was restructuring: selling its Eudyna stake would help cut costs and offset losses. The available contemporaneous account does not quantify the expected savings or losses. EE Times
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Sumitomo Electric: broader products and market reach
Sumitomo Electric presented the acquisition as a way to increase market share by adding Eudyna’s products and technologies to what it could offer its large customer base. Semiconductor Today also described Eudyna as consolidating optical and electronic compound-semiconductor device manufacturing businesses. Semiconductor Today
What Eudyna made and where its technology was used
Eudyna’s product scope included microwave devices, optical-communications devices and other compound-semiconductor devices. Fujitsu’s announcement associated the businesses with applications across communications and electronics, including:
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These markets help explain the strategic fit: the venture’s devices served communications infrastructure and related information-technology applications, rather than a consumer-facing product category. Fujitsu’s joint-venture announcement Semiconductor Today
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the reported facts do not establish
The cited contemporaneous reports do not disclose the purchase price or valuation, and they do not provide later operating results under Sumitomo Electric ownership. They therefore support an account of the deal’s structure and stated strategic aims, but not a conclusion about its financial return or subsequent business performance. EE Times Semiconductor Today
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