Our study focuses on the question, whether users should be intensively involved in the innovation process of radical … question arises, whether users play a productive role in the innovation process of radical innovations at all, or if their … contributions might even be counterproductive. To gain a better understanding for the users' role in radical innovation and to …

's innovation output is an open question. In this study we investigate how a firm's accumulated related and unrelated manufacturing …' innovation output we observe their portfolios of patented manufacturing inventions, which we qualitatively evaluate over time … dimension of innovation while hurting another, and helps to reconcile conflicting conceptual arguments that have been presented …