Review on the Research of TRIZ Technological Evolution Theory and It's Application

The researches on the technological evolution theory of TRIZ are reviewed and the features and drawbacks of these researches are also discussed. It is discovered that most of the researches are focusing on the application of the patterns and lines of technological evolution, so it is suggested that the theoretical researches, including the relations between the patterns, the relations between TRIZ technological evolution theory and other TRIZ instruments heuristics, and the application researches from the perspectives of firms rather than that of the industries should be strengthened in the future.