Empirical research about the regional innovation capability based on China´s patent application activities

Selects the invention patent applications as measures of China´s innovation capability, utilize the characteristic index of patent influence factors. Based on type B grey correlation between two of which to calculate and determine the Lag and index weight of influence of different characteristics of the indicators on China´s innovation capability. On this basis, calculate the regional innovation capability of 30 Provinces, municipalities and autonomous regions in 2011 and divided these regions into four echelons.