Development of the patent values evaluation method considering growth of technical community

Yuta Yamamoto, Asahi Hentona, Koji Marusaki, Kohei Watabe, Seiya Kawano, Tokimasa Goto, Yutaka Hada, Kazuhisa Fukuzawa, Hirofumi Nonaka

Abstract: Patent value quantification methods are in great demand in formulating intellectual property, development, and investment strategies. Various methods have been studied to date. Among them, a method using citation information has been proposed because patent citations have a significant impact on the market value of a company. However, conventional methods are based on static models using PageRank, etc., and do not reflect the growth potential of the technical community that a patent belongs to. In this study, we developed a patent value evaluation method that considers the technical community's growth potential. Furthermore, we compared the patent value calculated by our method with company sales. We investigated the necessity and effectiveness of considering the growth potential of technical fields.