Generally speaking, new products, new inventions, innovations and whole new industries often originate from ideas inspired by natural laws (physical laws, effects, and so on). So, we think natural laws are important information for supporting invention and development of artifacts, and that, we think it is attractive work to present their information to engineers. In this paper, theoretical knowledge on inventions, developments and natural laws is described as 'constraints of views and behaviors of artifacts'. And they are divided into some constraints. We propose a new method for analyzing the invention process of a real developed artifact with natural laws. Specifically we describe theoretical knowledge of artifact can be represented by adding some constraints on natural law and combining some natural laws with basic knowledge. Finally we inspect on the effectiveness. As a result of our study, we are sure of offering one of the artifact invention supporting system.
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