Tech-Development Path of Knife-Scissor Industry in Guangdong with TRIZ Analysis of Patents
Hu Yongjun1,Wei Tingting2(),Dou Zixin1,Huang Yunyin3,Liang Ruicheng4,Chang Huiyou3
1School of Management, Guangzhou University, Guangzhou 510006, China 2College of Mathematics & Informatics, South China Agricultural University, Guangzhou 510642, China 3School of Data and Compute Science, Sun Yat-Sen University, Guangzhou 510006, China 4Guangzhou Xiaoyun Technology Co., Ltd., Guangzhou 510335, China
[Objective] This paper reveals the evolution of patents from knife-scissor industry in Guangdong Province, China.[Methods] Firstly, we proposed a new classification scheme. Secondly, we created a topic model with TRIZ feature based on LDA. Thirdly, we calculated the first n words with high probability in different years and fields. Finally, we predicted the patent evolution path in the next three years.[Results] The new classification method reduced the noise of manual annotation to less than 10%. We also found that patents from knife-scissors enterprises in Guangdong mainly focused on the TRIZ rules, such as shapes, structures, movement modes, and materials.[Limitations] We only studied the knife-scissors industries.[Conclusions] The proposed method identifies key technical developing trends of knife-scissors industries in Guangdong and gives suggestions on their upgrading in the future.
胡勇军,韦婷婷,窦子欣,黄芸茵,梁锐成,常会友. 广东刀剪产业转型升级技术发展路径研究*——基于专利TRIZ分析[J]. 数据分析与知识发现, 2020, 4(2/3): 101-109.
Hu Yongjun,Wei Tingting,Dou Zixin,Huang Yunyin,Liang Ruicheng,Chang Huiyou. Tech-Development Path of Knife-Scissor Industry in Guangdong with TRIZ Analysis of Patents. Data Analysis and Knowledge Discovery, 2020, 4(2/3): 101-109.
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