Firm Innovation Systems: Perspectives of Researches on State-owned Key Enterprises

Based on the origin of the innovation theory and the technological innovation models of Rothwell, this paper puts forward four-generations of evolutionary models using the firm innovation system: "Internal R&D-Oriented Innovation System", "Internal and External Collaborative Innovation System", "Highly Strategic-Oriented Innovation System" and "Ecological Innovation System".This paper dwells on the characteristics and relationship between each innovation system, and the role in the enterprise innovation especially the State-owned Key Enterprises innovation, so as to provide a theoretical and practical basis for the design and improvement of the Stateowned Key Enterprises innovation system.