Abstract
This paper explains the innovation process of facsimile machines, mostly paying attention to the Japan's experience. Facsimile machines began to diffuse widely within Japan's households in the 1990s as well as business firms, as facsimile machines went down in price and their functions became diverse. This paper refers to the innovation process of facsimile machines and examines the shaping and adopting stage in the 1990s within the Japan's social system.