Visualization of changes in the technological domain of pharmaceutical companies using patent document vectors

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  • 特許文書ベクトルを用いた製薬企業の技術領域の推移の可視化

Abstract

<p>Patents in pharmaceutical companies are the result of R&D investment, and can be regarded as one of the indicators that represent the results of exploratory research for the creation of new drugs, as well as reflect the company's strategy for the technological domain. Therefore, if patent documents are quantified, it is possible not only to objectively grasp the degree of concentration or expansion of technological fields, but also to make comparisons between companies. In this study, we attempted to visualize the transition of the technological domain of Japanese, European, and American pharmaceutical companies by quantifying the technology travel distance using vector expressions extracted from patent abstracts.</p>

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