共 13 条
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The private value of patents by patent characteristics: evidence from Finland[J] . The Journal of Technology Transfer . 2009 (2)
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Internal sequential innovations: How does interrelatedness affect patent renewal?[J] . Kun Liu,Jonathan Arthurs,John Cullen,Roger Alexander. Research Policy . 2008 (5)
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The value of U.S. patents by owner and patent characteristics[J] . James Bessen. Research Policy . 2008 (5)
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An in-depth empirical analysis of patent citation counts using zero-inflated count data model: The case of KIST[J] . Yong-Gil Lee,Jeong-Dong Lee,Yong-Il Song,Se-Jun Lee. Scientometrics . 2007 (1)
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Improving patent valuations for management purposes—validating new indicators by analyzing application rationales[J] . Markus Reitzig. Research Policy . 2004 (6)
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Patent Breadth, Patent Life, and the Pace of Technological Progress[J] . Journal of Economics & Management Strategy . 2004 (1)