Scientometrics

, Volume 88, Issue 3, pp 761–770 | Cite as

Patent co-citation networks of Fortune 500 companies

Article

Abstract

This paper provides an overview of the progression of technology structure based on patent co-citation networks. Methods of patent bibliometrics, social network analysis and information visualization are employed to analyze patents of Fortune500 companies indexed in Derwent Innovations Index, the largest patent database in the world. Based on the co-citation networks, several main technology groups are identified, including Chemicals, Petroleum Refining, Motor Vehicles, Pharmaceuticals, Electronics, etc. Relationships among the leading companies and technology groups are also revealed.

Keywords

Fortune 500 Patent bibliometrics Patent co-citation Technology structure 

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  1. 1.WISE LabDalian University of TechnologyDalianChina

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