利用美国专利商标局数据库和社会网络分析方法,基于专利引文网络对不同技术领域间的关系进行考察。通过追踪不同技术领域间的专利知识流动展现网络的宏观特征。研究结果表明,技术领域间的专利引文网络具有总量流动平衡、内部活动频繁、外部偶有集中的特征。
Abstract
Based on the different classification of technical fields, patent citation network, and SNA tools, the relationship that is revealed by patent citation derived from the USPTO database is comprehensively studied. By means of tracking patent knowledge flow among different technical fields, the macro features of the network are shown. Research results indicate the characteristics of patent citation network as follows: total amount is balanceable on the inside and the knowledge frequently flows, on the outside, the knowledge occasionalyy concentrates.
关键词
专利引用 /
专利计量 /
技术领域
Key words
patent citation /
patentometrics /
technical field
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参考文献
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基金
辽宁省教育厅基地项目:基于专利计量的专利制度功能分析(2009JD08);沈阳师范大学知识科学与知识管理研究中心基金项目:专利计量与企业技术创新管理(2008KMC006)。
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