Koichiro Okamura

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We also gratefully acknowledge generous support through a Research Enhancement Fund award and a grant from the Center for the Study of Globalization, both of the George Washington University. We thank John Hagedoorn, Franco Malerba, and Robert Rycroft for very useful comments on drafts. All remaining mistakes are our responsibility.
Established firms often face significant obstacles to innovation. As a solution, it has been suggested to form corporate ventures. Based on a sample of corporate and independent ventures in German manufacturing, we show that corporate ventures are more innovative than the control group of independent ventures. In particular, corporate ventures are more(More)
This paper empirically studies two types of networks, one formed through U.S. patent citations (Patent network) and another formed through the participation in research joint ventures (RJV network) among R&D intensive organizations in the U.S. context. The Patent network is a product of the exchange of technological information among R&D organizations under(More)
The ICT Network of the last two European Research Framework Programmes is deeply influenced by two distinct groups of organizations: a small group of hubs (3% of participants) hold the key in keeping the network together; and a second group of non-hub connectors large enough (39% of participants) with significant share of the overall networking activity to(More)
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