抄録
This paper points out that current industries drag the history of technical invention and industries, especially Japanese industries would like to go it alone. In the age of small changes and diversification, such an approach as Keiretsu, or development inside the group, was effective, But with the rapid increase of diversification and frequent and extensive changes in society call for more flexible and adaptive industry framework. Lego style industry framework will increase the capabilities of intermediary industries and will enable them to cater to many different requirements from the final product industry. Thus, industry can develop a very new and innovative products with much ease and with less time, energy and cost and what is betterm they can develop products from a true human needs.
