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Differences in Science Based Innovation by Technology Life Cycles: The case of solar cell technology

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  • MOTOHASHI Kazuyuki
  • TOMOZAWA Takanori

Abstract

This paper analyzes the role of university research in industrial innovation by different phases of the technology life cycle (TLC) and by patent analysis of solar cell technology. It is found that, in the early phase of TLC, the role of academic research is to broaden the technology scope to provide a variety of technologies to the market. Industry can be benefited directly from universities as a source of new technology. In contrast, in the later phase of TLC where both product and process innovation are important, university industry collaboration (UIC) patents are greater in patent quality as measured by normalized forward citation. In addition, scientific paper citations and the experience of UIC by firms' inventors are beneficial to high impact inventions. Therefore, the impact of academic research comes into play in a more indirect way, using scientific knowledge embodied by industry researchers in the later phase of TLC.

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Paper provided by Research Institute of Economy, Trade and Industry (RIETI) in its series Discussion papers with number 14005.

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Length: 19 pages
Date of creation: Jan 2014
Date of revision:
Handle: RePEc:eti:dpaper:14005

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  1. Beise, Marian & Stahl, Harald, 1999. "Public research and industrial innovations in Germany," Research Policy, Elsevier, vol. 28(4), pages 397-422, April.
  2. Orietta Marsili & Bart Verspagen, 2002. "Technology and the dynamics of industrial structures: an empirical mapping of Dutch manufacturing," Industrial and Corporate Change, Oxford University Press, vol. 11(4), pages 791-815, August.
  3. Geuna, Aldo & Anthony Arundel, 2003. "Proximity and the Use of Public Science by Innovate European Firms," Royal Economic Society Annual Conference 2003 86, Royal Economic Society.
  4. Mansfield, Edwin, 1991. "Academic research and industrial innovation," Research Policy, Elsevier, vol. 20(1), pages 1-12, February.
  5. Wesley M. Cohen & Richard R. Nelson & John P. Walsh, 2002. "Links and Impacts: The Influence of Public Research on Industrial R&D," Management Science, INFORMS, vol. 48(1), pages 1-23, January.
  6. Cassiman, Bruno & Veugelers, Reinhilde & Zuniga, Pluvia, 2010. "Diversity of science linkages: A survey of innovation performance effects and some evidence from Flemish firms," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy, vol. 4(33), pages 1-26.
  7. Breschi, Stefano & Malerba, Franco & Orsenigo, Luigi, 2000. "Technological Regimes and Schumpeterian Patterns of Innovation," Economic Journal, Royal Economic Society, vol. 110(463), pages 388-410, April.
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