Our study focuses on the question, whether users should be intensively involved in the innovation process of radical product innovations or better not - from the manufacturer's perspective. Radical innovations incorporate new technologies, shift market structures, require intensive user learning...

In this paper, we report the complete and unabridged results of an exploratory study of typical front-end activities in 28 innovation projects in German and Japanese companies. We further reveal differences in the practice of innovation management in both countries. Based on these, we develop...