This paper explores several features of, and changes in, innovation capacity in Asia. The growth of technology-based industries has been a critically important element of Asian industrial development and has required extensive institutional support for the diffusion of innovation and technological learning. As a number of Asian countries reach the global technological frontier they need to develop new capabilities for creating "radical" innovations in order to sustain their international competitiveness. Using the analytical frameworks of national innovation systems and varieties of capitalism, the paper reviews some systemic and environmental factors encouraging and constraining these developments. By referring to illustrative case studies...