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Research paper−25−Synthesiology - English edition Vol.2 No.1 pp.25-34 (Jun. 2009) was conjoint analysis that was related to consumer preference model, and third was learning curve model that describes the cost reduction in the course of technological advancement. The foundation was the Bass model. The above processes will be described in the following chapters. Chapter 2 explains the objectives of the research, and chapters 3 outlines the existing studies on product diffusion analysis. Chapter 4 introduces the model that we developed in this research. Chapter 5 presents the collected data, and chapter 6 demonstrates the tool that we created to enable easy use of the model and data. Chapter 7 shows the example in which the model was applied to the assessment of diffusion of energy-saving air conditioners, and the final chapter states the conclusion and future issues.In the course of research, the above six processes did not necessarily progress in one direction. Particularly, the discussions to and from 1 and 3 were repeated several times. In considering the model, the research goal was reviewed and the model was rebuilt and reviewed several times. The details of this process are described in Section 4.2 Clarification of research objectiveThis study was conducted as part of Global Warming Countermeasure Survey of the METI. Some of the goals of the research were clear from the beginning, while others took shape during the process of the research. Both will be described as follows.The goal of the survey was projection and analysis of diffusion of eco-products. The subjects of the diffusion analysis were following products:1 IntroductionTechnology evolves through interactions with the society. There are periods of nightmare of technologies when new technologies are not accepted readily by the society[1]. To bring in changes on society through technological research and development, it is necessary to understand and formulate a model for the interaction between technology and society. This study is an attempt to create a model for the relationship between them. Needless to say, there are several phases and diverse facets in the relationship of technology and society. We aim to tackle related topics and to build a comprehensive and multi-faceted model by building up corresponding models one at a time.This paper describes the research on building a model for the social diffusion of environmentally- conscious products or “eco-products” that we position as part of building up a corresponding model. This research was conducted as part of Global Warming Countermeasure Survey of the Japan Ministry of Economy, Trade and Industry (METI)[2][3].The research processes were as follows:1. Clarification of research goal (chapter 2)2. Survey of existing models (chapter 3)3. Formulation of Model (chapter 4)4. Data collection (chapter 5)5. Tool development (chapter 6)6. Analysis (chapter 7)In this research, three existing models were integrated to achieve the research goal. One of the models was Bass model that was a representative product diffusion model, second - Development of an eco-product diffusion analysis model that incorporates three existing models -Mitsutaka Matsumoto1* and Shinsuke Kondoh21. Center for Service Research, AIST Tsukuba Central 2, Umezono 1-1-1, Tsukuba 305-8568, Japan *E-mail : matsumoto-mi@aist. go.jp, 2. Advanced Manufacturing Research Institute, AIST Namiki 1-2-1, Tsukuba 305-8564, Japan Received original manuscript October 14, 2008, Revisions received December 2, 2008, Accepted December 2, 2008In order to bring change to society through technological developments, analysis of the social acceptance of a given technology is indispensable. In this research, we developed a model that includes the effects of the diffusion of environmentally conscious products. To analyze the long term diffusions and to analyze the effects of various diffusion promoting measures, we have incorporated three existing models: the Bass diffusion model, the consumer preference model, and the learning curve model. These models have been argued for individually to date. The paper describes the research objective, existing models, the developed model, the related developed tools, and an analysis example. Modeling the social acceptance of industrial technologiesKeywords : Social acceptance of technologies, eco-products, product diffusion model, Bass model, consumer preference[Translation from Synthesiology, Vol.2, No.1, p.23-31 (2009)]

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