Patent co-citation networks of Fortune 500 companies

被引：43
|
作者：
Wang, Xianwen [1 ]
Zhang, Xi [1 ]
Xu, Shenmeng [1 ]
机构：
[1] Dalian Univ Technol, WISE Lab, Dalian, Peoples R China
来源：
SCIENTOMETRICS | 2011年 / 88卷 / 03期
基金：
高等学校博士学科点专项科研基金;
关键词：
Fortune; 500; Patent bibliometrics; Patent co-citation; Technology structure; GENETIC-ENGINEERING RESEARCH; INDICATORS; KNOWLEDGE; CLASSIFICATION; BIOTECHNOLOGY; BIBLIOMETRICS; SECTORS; SYSTEM;
D O I：
10.1007/s11192-011-0414-x
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
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 Fortune 500 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.
引用
收藏
页码：761 / 770
页数：10
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