Based on an analysis of experience, this study demonstrates the link between identity work by entrepreneurs and strategy practice that results from new product development. To demonstrate, it uses a case study of the development of ‘ZEO CE LIGHT,’ a porcelain fused-to-metal product by Masatoshi Yamazoe, a technology entrepreneur at YAMAKIN Co., Ltd. Yamazoe rebuilt the ‘create a top quality product of porcelain fused-to-metal’ identity, influenced by the organizational identity of YAMAKIN. Then, based on this identity, he experienced a break-through in the development of porcelain fused-to-metal by successfully achieving high-heat expansibility, improved transparency, and the opal-like appearance and fluorescent properties of natural teeth. Yamazoe’s breakthrough was also widely used in the development of other new products made of composite materials, such as hybrid resin, all-ceramic crowns, hybrid ceramics, and hybrid resin blocks. As a result, the company gained competitive superiority within the Japanese dental material manufacturing market. This paper outlines the steps taken in the YAMAKIN and Yamazoe case, and produces a chronological account and structure of events, as well as reveals the causal mechanisms at play, in order to demonstrate in detail the causal mechanism between identity work and strategy practice. However, as the paper only reports on a single case study, the generalizability of the results and conclusions is limited.
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