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Nature of inventive activities : evidence from a data-set of R&D awards
Fontana, Roberto; Nuvolari, Alessandro; Shimizu, Hiroshi; … - 2009
Persistent link: https://www.econbiz.de/10003937805
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Schumpeterian patterns of innovation and the sources of breakthrough inventions : evidence from a data-set of R&D awards
Fontana, Roberto; Nuvolari, Alessandro; Shimizu, Hiroshi; … - In: Long term economic development : demand, finance, …, (pp. 313-340). 2013
Persistent link: https://www.econbiz.de/10009782792
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Reassessing patent propensity : evidence from a dataset of R&D awards ; 1977 - 2004
Fontana, Roberto; Nuvolari, Alessandro; Shimizu, Hiroshi; … - In: Research policy : policy, management and economic … 42 (2013) 10, pp. 1780-1792
Persistent link: https://www.econbiz.de/10010404758
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Reassessing patent propensity : evidence from a data-set of R&D awards 1977-2004
Fontana, Roberto; Nuvolari, Alessandro; Shimizu, Hiroshi; … - 2013
Persistent link: https://www.econbiz.de/10011559540
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Mainstream formation and competitive dynamics in the computer graphics industry : topic modeling analysis of us patents
Watanabe, Ichiro; Shimizu, Hiroshi - 2024
Persistent link: https://www.econbiz.de/10014474259