The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools
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https://www.nber.org/papers/w8498
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This paper describes the database on U.S. patents that we have developed over the past decade, with the goal of making it widely accessible for research. We present main trends in U. S. patenting over the last 30 years, including a variety of original measures constructed with citation data, such as
本文介绍了我们在过去十年间构建的美国专利(U.S. Patents)数据库,旨在使其能够广泛面向学术研究实现开放访问。我们梳理了过去三十年间美国专利活动的主要趋势,其中包含一系列基于引用数据构建的原创性指标,例如
提供机构:
美国国家经济研究局
创建时间:
2001-10-01



