《Table 4 Life pattern distribution of sample patents》
本系列图表出处文件名:随高清版一同展现
《An empirical study on classification of patent life patterns》
The patent life pattern of the 3 811 patents in the field of wireless charging is determined by RSD/P classification method,and the results are shown in Table 4.Among the samples,the standard Stype patents accounted for the highest proportion of 45.03%and the sleeping beauty patents accounted for the least amount of 13.36%,while the epiphyllum and smooth patents accounted for about 20%.The proportions of only nonstationary patents,i.e.three types ratio,were examined in Table 4,and standard Stype was found to be still accounted for the highest proportion of 56.28%,while sleeping beauty patents accounted for the least proportion of 16.69%.
图表编号 | XD0020608100 严禁用于非法目的 |
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绘制时间 | 2018.12.01 |
作者 | 望俊成、Lin Hui、Shi Bingfan、Zhou Xiaodan、Zhang Xuanxuan、Zhao Haozhen |
绘制单位 | Institute of Scientific and Technical Information of China、Department of Information Management,Peking University、School of Information Resource Management,Renmin University of China、Institute of Scientific and Technical Information of China、Institute of |
更多格式 | 高清、无水印(增值服务) |
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