Quantitative mapping of patented technology - The case of electrical conducting polymer nanocomposite

被引：59

作者：

Lee, Pei-Chun ^{[1
,2
]}

Su, Hsin-Ning ^{[1
]}

Wu, Feng-Shang ^{[2
]}

机构：

[1] Sci & Technol Policy Res & Informat Ctr, Natl Appl Res Labs, Taipei 106, Taiwan

[2] Natl Chengchi Univ, Grad Inst Technol & Innovat Management, Taipei 116, Taiwan

来源：

TECHNOLOGICAL FORECASTING AND SOCIAL CHANGE | 2010年 / 77卷 / 03期

关键词：

Network analysis; Technology evolution; Mapping; Patent citation; Quantitative analysis; SCIENCE-AND-TECHNOLOGY; CO-WORD ANALYSIS; DISCOVERY LRD; BIBLIOMETRIC ANALYSIS; EMERGING TECHNOLOGIES; POTENTIAL TREATMENTS; NETWORK ANALYSIS; INTELLIGENCE; INFORMATION; CARTOGRAPHY;

D O I：

10.1016/j.techfore.2009.08.006

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

This study aims to obtain global technology evolution by constructing and analyzing patent citation network and patent citation map for the field of electrical conducting polymer nanocomposite. A total of 1421 patents are retrieved from USPTO patent database and patent citation network is established by combing both patent citation and social network analysis. Network properties, e.g. Degree Centrality, Betweenness Centrality, and Closeness Centrality, are calculated for representing several technology evolution mechanisms that first proposed in this study. Also, a distance-based patent citation map is constructed by calculating relative distances and positions of patents in the patent citation network. Quantitative ways of exploring technology evolution are investigated in this study to unveil important or emerging techniques as well as to demonstrate dynamics and visualization of technology evolutions. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：466 / 478

页数：13

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