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抗癌中草药专利申请状况分析
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作者 黄贝贝 黄晓凡 《中国中医药信息杂志》 CAS CSCD 1998年第11期30-32,共3页
笔者根据中国专利信息中心制作的中国专利文摘(光盘),采用关键词和分类号进行检索,共得到1985年(中国专利法开始实施)~1996年申请并公开的抗癌中草药专利文献281件(以下所提及的专利申请均为已公开的专利申请),全部为发明专利,占整个... 笔者根据中国专利信息中心制作的中国专利文摘(光盘),采用关键词和分类号进行检索,共得到1985年(中国专利法开始实施)~1996年申请并公开的抗癌中草药专利文献281件(以下所提及的专利申请均为已公开的专利申请),全部为发明专利,占整个抗癌药物专利申请1128件的24.91%。1 基本情况1.1 申请年度 从1985年开始,抗癌中草药专利申请逐年上升,至1993年达到最高峰,年申请量为84件,以后呈逐步回落的态势,至1995年为40件,1996年为6件。 展开更多
关键词 抗癌中草药 专利申利 发明内容
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Studies of layout of world machine tools industry based on patent analysis
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作者 张涛 Zhang Xu +2 位作者 Li Zhirong Zhao Yunhua Zhou Lijuan 《High Technology Letters》 EI CAS 2013年第3期246-253,共8页
As the foundation of an industrialized country nowadays,machine tools industry is regarded as the engine of industrial development of a country.The developed countries,such as USA,Germany and Japan,have widely deploye... As the foundation of an industrialized country nowadays,machine tools industry is regarded as the engine of industrial development of a country.The developed countries,such as USA,Germany and Japan,have widely deployed the technology of using the patent in order to keep their strength in various fields.This research examins the CNC machine tools industry in the world by using the patent analysis method.It first gives an overview about the world patent application in CNC machine tools industry from 1963 to 2010 and divides the development of the industry into five stages.It also lists the patent application of the world top 20 countries,where the top 5 countries are compared.The patents of the world top 10 companies of machine tools manufacturers are mapped according to the international patent classification(IPC),and the future trends of world machine tools industry are discussed.Finally conclusions and suggestions are presented. 展开更多
关键词 machine tools industry computerized numerical control (CNC) machine tools patent analysis international patent classification (IPC) development trends
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