KUMAMOTO, Japan -- Hsieh Yong-fen, a materials scientist turned entrepreneur, opened her company's second Japan-based laboratory in the southwestern prefecture of Kumamoto late last year. Now she is deciding whether to build a third.

Taiwanese chip titan TSMC's new plant in Kumamoto, southern Japan, opened on Feb. 24 to much fanfare. The factory is part of a flow of new foreign chip investment into Japan, spurred on by government subsidies. (Photo by Arisa Moriyama)
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