Industry Difference on Patent Drawing’s Capability for Differentiating Stock Rates of Return of Chinese Listed Companies in Non-Manufacturing Industry Sectors -- An Explore into Invention Publication Patents and Utility Model Grant Patents

Bulletin of Applied Economics Pub Date : 2022-11-08 DOI:10.47260/bae/1012

Hong-Wen Tsai, Hui-Chung Che

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Abstract

Abstract The industry difference on patent drawings of invention publications and utility model grants over top nine non-manufacturing industry sectors in China stock market was discussed via analysis of variation (ANOVA). Regarding patent drawing count’s capability for differentiating Chinese listed company’s stock rate of return, the invention publication and the utility model grant were different. The invention publication’s drawing count showed well capability for one industry sector, fair capability for two industry sectors, partial capability for one industry sector, weak capability for two industry sectors, and ineffective capability for three industry sectors; whereas the utility model grant’s drawing count showed partial capability for four industry sectors, weak capability for three industry sectors, and ineffective capability for two industry sectors. The patent drawing count of invention publications showed superior capability to those of utility model grants and invention grants. The higher patent counts of invention publications showed fairly connection with the capability, however, the higher patent counts of utility model grants showed weak connection with the capability. The higher stock rates of return also showed weak connection with the capability for either invention publications or utility model grants. Every non-manufacturing industry sector had its particularity. The industry difference among top nine non-manufacturing industry sectors in China stock market was distinct. JEL classification number: C38, C46, G11. Keywords: Patent, Invention publications, Utility model grants, ANOVA, Stock rate of return, Drawing count, Industry difference.

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中国非制造业上市公司专利绘制区分股票收益率能力的行业差异——以发明公开专利和实用新型授权专利为例

摘要采用方差分析(ANOVA)分析了中国股票市场前9大非制造业行业发明出版物和实用新型专利图纸的行业差异。在专利图纸计数区分中国上市公司股票收益率的能力上，发明公布和实用新型授权存在差异。发明出版物抽算结果显示，一个行业能力较好，两个行业能力一般，一个行业能力部分，两个行业能力较弱，三个行业能力不足;而本实用新型专利的抽算结果显示，4个行业部门能力不全，3个行业部门能力较弱，2个行业部门能力不足。发明出版物的专利图纸计数能力优于实用新型专利授权书和发明专利授权书。发明出版物的专利数越高，与能力的相关性越强，而实用新型授权的专利数越高，与能力的相关性越弱。较高的股票收益率与发明发表能力和实用新型授权能力的关系也较弱。每一个非制造业部门都有其特殊性。中国股市前九大非制造业板块的行业差异明显。JEL分类号:C38、C46、G11。关键词:专利，发明出版物，实用新型授权，方差分析，库存收益率，图纸计数，行业差异

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Bulletin of Applied Economics

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