This study focuses upon an innovative industrial product that one smaller firm in Higashiosaka city developed. The goal of this paper is to show how the industrial product, the PA13-A, contributes to life support when disaster occurs and examine the present situation of the product diffusion. The problems which confront us for diffusion will be clarified from the result of an interview to Setagaya Ward in Tokyo. As a research method this study uses informal interviews. If disaster occurs and the city gas line stops, ‘the PA13-A Gas Generator' will be able to keep on offering gas for people. There are achievements with the introduction of PA13-A in the Great Hanshin Awaji Earthquake, the Niigata Chuetsu Earthquake and the Great Tohoku Japan Earthquake.