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now. In total, there are 334 keywords. Table 2 indicates that scientometrics, bibliometric analysis, bibliometrics, citation analysis, research trend and patent citation are among the top of the list. This may suggest that the scientometric research
Scientometrics 47 389 – 412 . 15. Tijssen , R. J. W. 2001 Global and domestic utilization of industrial relevant science: patent citation
reviewing the academic literature on knowledge flows, measured through patent citations. The concept of ‘knowledge flows’ in this stream of literature can be reasonably compared to the concept of ‘access to the public knowledge base’ in the policy literature
their patent counts is 160.541. In addition, the mean value of their patent citations is 291.028; that of their sales is 1959.029 thousand US dollars; that of their assets is 3020.268 thousand US dollars; and that of their R&D expenditures is 296
and the patent examiner compare it with prior art through the use of patent citations. Patent references—typically measuring technical knowledge serving as the source of novelty (Sternitzke 2009 )—are less likely to be redundant or superfluous than
2000 , 2007 ). Firms in the pharmaceutical industry are critically dependent on the patent system for appropriation of returns from R&D. Narin ( 1994 ) applied bibliometric methods, including patent citation analysis, to establish the use of patent
al. 2011 ; Newman 2005 ; Price 1965 ) and radio frequency identification (RFID) patent citations (Hung and Wang 2010 ; Watts 1999 ). A high degree of clustering implies the existence of modularity, that is, within-group connections are stronger
patents’ constitute the basis for further patents. They are of outstanding value (Debackere et al. 2002 ). Hence, patent counts are inadequate for the identification of single patents with a high degree of novelty. Patent citation analysis has
. Jaffe , A. — Trajtenberg , M. — Henderson , R. ( 1993 ): Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations . Quarterly Journal of Economics , 108 ( 3 ): 577 – 598
genesis of the Diffusion score, considering other diffusion approaches and the “Integration score.” A large amount of existing research on knowledge diffusion has focused on patent citation analyses (De Bellis 2009 ). According to De Bellis, such
