Mapping technological trajectories as patent citation networks : a study on the history of fuel cell research

B. Verspagen

Research output: Contribution to journalArticleAcademicpeer-review

236 Citations (Scopus)
2 Downloads (Pure)

Abstract

Technological change is argued to be taking place along ordered and selective patterns, shaped jointly by technological and scientific principles, and economic and other societal factors. Historical, descriptive analysis is often used to analyze these "trajectories". Recently, quantitative methods have been proposed to map these trajectories. It is argued that such methods have, so far, not been able to illuminate the engineering side of technological trajectories. In order to fill this gap, a methodology proposed by Hummon and Doreian (1989) is used and extended to undertake a citation analysis of patents in the field of fuel cells.
Original languageEnglish
Pages (from-to)93-115
Number of pages23
JournalAdvances in Complex Systems
Volume10
Issue number1
DOIs
Publication statusPublished - 2007

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