This study is to make clear the knowledge-based management perspective for knowledge companies and to find a way to measure intellectual capital of R&D organizations. Based on the state-of-the-art findings from business sectors, the intellectual capital is divided into three categories: human capital, structural capital, and customer capital. The fourth capital, infrastructural capital, is added in this study specifically for government sponsored R&D organizations, of which the main objectives are to foster technological innovation nationwide and to support its diffusion effectively, The result of this study can offer basic concept of under what categories they can be classified, which also can be used further to find the right indicators of intellectual capital specific to each organization by combining the items found in this study.