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Revistas
Journal of Data and Information Science
Volumen 2 (2017): Edición 1 (February 2017)
Acceso abierto
Patent Citations Analysis and Its Value in Research Evaluation: A Review and a New Approach to Map Technology-relevant Research
Anthony F.J. van Raan
Anthony F.J. van Raan
| 18 feb 2017
Journal of Data and Information Science
Volumen 2 (2017): Edición 1 (February 2017)
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Article Category:
Expert Review
Publicado en línea:
18 feb 2017
Páginas:
13 - 50
Recibido:
23 nov 2016
Aceptado:
03 dic 2016
DOI:
https://doi.org/10.1515/jdis-2017-0002
Palabras clave
Patent citations
,
Scientific non-patent references
,
Inventor-author relations
,
Bibliometric mapping
,
Science and technology interface
,
Research evaluation
,
Technology-relevant publications
© 2017 Anthony F.J. van Raan
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Figure 1
Front page of patent WO2014/009721A1 as an example.
Figure 2
Claims of patent WO2014/009721A1; the fi rst page of the claims section is shown as an example.
Figure 3
International search report of patent WO2014/009721A1, page 1. The SNPRs are indicated with a light blue box, and the references to earlier patents with a red box.
Figure 4
International search report of patent WO2014/009721A1, page 2. The SNPRs are indicated with a light blue box, and the references to earlier patents with a red box.
Figure 5
Patent-to-patent and patent-to-publication citation network around the discovery of Isentress. Network of patents and publications connecting Hazuda et al. (2000) which is the “discovery paper” (green circle), and the Isentress patent (2007) (red circle). Blue circles represent patents; white circles represent publications. From: Winnink and Tijssen (2014).
Figure 6
This network configuration shows the citing-cited relations between the publications with the coauthor relationships between researchers. Blue circles represent scholarly publications; white circles represent (co-)authors. The two closely interconnected clusters are centered around the discovery paper Hazuda et al. (2000). From: Winnink and Tijssen (2014).
Figure 7
Concept (co-word) map of the patent-related papers as discussed in the text. (mapping parameter: co-occurrence threshold = 3, full counting).
Figure 8
Maps of the citation links of the Zarrin SNPR. Upper part: the cited papers (references) of the SNPR; lower part: the citing papers of the SNPR. Connecting lines indicate citation relations, and these go always in an upward direction. Colors indicate clusters on the basis of mutual citation relations.
Figure 9
Bibliographic coupling (minimum citations = 1) map of the papers citing the Zarrin SNPR. This is a detailed visualization of the links between these citing papers, thus providing a map of the recent research based on the Zarrin SNPR as one of the building stones. The size of the circles is proportional to its impact, i.e. the extent to which a paper is cited in the entire Web of Science (mapping parameter: minimum citations = 1).
Figure 10
Co-citation map of papers citing the Zarrin SNPR (co-citation threshold = 3). The size of the circles is proportional to the number of times a paper is cited in the uploaded set. By definition, the target paper (here Zarrin) is the most cited paper, as all papers in the set cite the Zarrin paper.
Figure 11
Zoom into the co-citation map of the papers citing the Zarrin SNPR as shown in Figure 10. The next-to-Zarrin most central paper is the Hummers paper, see text.
Figure 12
Concept (co-word) map of the papers citing the Zarrin SNPR (mapping parameter: co-occurrence threshold = 3).
Figure 13
Same map as in Figure 12, but now the colors indicate the average publication year of the papers belonging to a specific concept.
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