Effective factors for estimating market share in concept testing. - Takumi Kato; Susumu Kamei; Takumi Ootsubo; Yosuke Ichiki (ISM, 2022)

Early Adopters Versus Late Adopters: Estimating Accuracy of Concept Testing by Selecting Respondents Based on Diffusion of Innovations. - Takumi Kato; Yu Zhu; Yusuke Nagata; Junnosuke Kubo; Tomoya Matsue; Yuta Tanaka; Takahiko Umeyama; Susumu Kamei (KES-IDT, 2024)