Effect of Non-practicing entities (NPE) on innovation society has been a controversial issue owing to their having both positive and negative impacts. However, measuring the net effect as well as finding ways to reduce the probable negative effects of the NPEs has been a challenge. In this...

This chapter summarizes the basic characteristics of patent data as an innovation indicator and reviews some of the recent research using patent data, focusing on major developments since Griliches in 1990 [Griliches, Z. (1990). “Patent statistics as economic indicators: A survey”. Journal...

This paper presents the results of a comprehensive analysis of the innovative activities of the entire population of Japanese firms by using a linked dataset of Establishment and Enterprise Census and the IIP Patent Database (JPO patent application data). As of 2006, it was found that about 1.4%...