Japan's government has continuously supported Kyushu's semiconductor industry, which has thus been able to adapt to external environmental changes such as globalization and the rise of Asia's newly industrialized economies (NIEs). This study focuses on two promotional projects for the semiconductor industry carried out by the Kyushu Economic Research Center. The first is a support project for an international workshop on microelectronics assembly and packaging. The second is a business-matching

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... project for semiconductor companies. This study conducted a social network analysis regarding the relational structure of temporary relations, and examined industrial upgrading in Kyushu's semiconductor industry. The results were as follows. First, the international workshop became an important event in global business for both domestic and foreign companies, and it strengthened existing personal networks. Second, the business-matching project helped to create mutual trust between firms with low mutual recognition and establish new transactional relationships with firms outside Kyushu.