Abstract
In Japan, an increasing number of cases left out of the international market, continuing to develop products that rely on existing management resources and sales channels. On the other hand, many hit products have been developed from companies that incorporate changes in the external environment such as technological innovation, amendment of laws, dissemination of complementary products, etc. In this research, we propose a framework for realizing collection, idea extraction, and commercialization of external environmental changes by applying Platform theory, SWOT analysis, and Boost gate method® to general product development process. In addition, trial experiments and questionnaire surveys were conducted at the university group work and the effectiveness of the proposal was confirmed.