Abstract
In recent times, with the development of science and technology, new technologies have been rapidly emerging, and innovators are making efforts to acquire intellectual property rights to preserve their competitive advantage as well as to enhance innovative competitiveness. As a result, the number of patents being acquired increases exponentially every year, and the social and economic ripple effects of developed technologies are also increasing. Now, innovators are focusing on evaluating existing technologies to develop more valuable ones. However, existing patent analysis studies mainly focus on discovering core technologies amongst the technologies derived from patents or analyzing trend changes for specific techniques; the analysis of innovators who develop such core technologies is insufficient. In this paper, we propose a model for analyzing the technical inventions of applicants based on patent classification systems such as international patent classification (IPC) and cooperative patent classification (CPC). Through the proposed model, the common invention patterns of applicants are extracted and used to analyze their technical inventions. The proposed model shows that patent classification systems can be used to extract the trends in applicants’ technological inventions and to track changes in their innovative patterns.
Highlights
In the era of the Fourth Industrial Revolution, new technologies are rapidly being invented, and inventors are making significant efforts to claim rights to sources and core technologies [1,2]
It implied that some technologies included in the prior patent appeared in the following patent; essentially, the technology classification code representing the technology was continuously included in the FP as well as the PP
Patents play an essential role in ensuring the rights of the technology invented by the applicant as one of the representative intellectual property rights
Summary
In the era of the Fourth Industrial Revolution, new technologies are rapidly being invented, and inventors are making significant efforts to claim rights to sources and core technologies [1,2]. The CPC system plays a vital role in global patent analysis and many studies have been conducted to analyze the trend of technology invention by applying the CPC classification system, not IPC. As a result, based on the CPC classification system, researches such as extracting representative technologies from patents or analyzing trends have been conducted, and these existing studies mainly focus on analyzing the impact of technology from a technology perspective. IPC and CPC classification systems for analyzing the applicant’s technical invention trend based on common technology-invention patterns derived from each applicant. The proposed model can help to analyze whether the new technology has been expanded and propagated by comparing the applicant’s technical inventions with the existing applicant’s technologies and conducting a case study on changes in the invention patterns of applicants based on the representative technologies.
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