摘要
基于德温特数据库(DWPI)和中国专利文献检索系统(CPRS),该报告从专利申请的年度变化、专利申请国家或地区的分布、主要专利申请人及主要技术主题等角度,对纳米催化剂领域的全球和中国的专利发展态势进行了分析,并对中国今后的研究重点及方向提出了建议。
Based on the analysis of patent applications in terms of country distribution, institution distribution, key applicants and main technology topics, this paper reveals the worldwide and domestic patents trend for nanocatalyst by using data extracted from the Derwent World Patents Index(DWPI) database and the China Paten Retrieval System(CPRS) database. And the development suggestions in this field were proposed for China research policy.
出处
《科学观察》
2016年第2期46-60,共15页
Science Focus
关键词
纳米催化剂
专利申请
地区分布
专利申请人
技术分析
nanocatalyst
patent
country distribution
institution distribution
key applicants
main technology topics