Analysis

Mitsubishi Electric buys Renesas Technology’s Kumamoto factory

31st January 2008
ES Admin
0
Mitsubishi Electric Corporation and Renesas Technology Corp. have announce that they have reached an agreement for Mitsubishi Electric to acquire buildings and its manufacturing facilities of Renesas’ Kumamoto factory.
In April 2003, Mitsubishi Electric transferred its system LSI and system memory businesses to Renesas, which was established as a joint venture between Mitsubishi Electric and Hitachi Ltd. Mitsubishi Electric currently concentrates its resources on power and high-frequency optical devices, which prove effective in achieving high synergies within the company.

Reflecting the increasing demand to save energy and protect the environment globally, the inverter controller equipment market, where power devices are used in industrial machinery, home appliances and others, has been steadily growing and is expected to expand. To meet the growing demand for these devices, Mitsubishi Electric has been trying to increase its wafer production capabilities, thus boosting the company’s business. Specifically, Mitsubishi Electric has been working to increase the production capability for 6-inch wafers at its existing factory, the Kumamoto Factory of Power Device Works, also located in Kumamoto. Meanwhile, the company has been seeking to manufacture its products using 8-inch wafers to further increase its production capability.

Renesas has concentrated its resources on three main business segments: microcontrollers, system solutions and standard products. With this focus, Renesas decided to withdraw from the flash memory business in December 2005. Since then, Renesas’ Kumamoto factory, which was used primarily to produce flash memory products, has been operating under its capacity due to the business change. Maximizing its value has been a challenge to Renesas.

The Renesas Kumamoto factory is located on the same grounds as Mitsubishi Electric’s Kumamoto Factory of Power Device Works. Furthermore, the Renesas factory has already been commissioned to manufacture Mitsubishi Electric’s power devices using 8-inch wafers. Given the close proximity of the location, technical alignment and economic value, Mitsubishi Electric concluded that it would be best to acquire these facilities from Renesas. For Renesas, transferring the factory to Mitsubishi Electric will improve their manufacturing efficiency in the focused segments.

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