재료기술 분야의 연구 협력 네트워크 구조 및 변화: 우리나라 공동특허를 중심으로
The Structure and Change of Patent Cooperation Networkin Materials Technology: Focusing on Korean joint patents
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본 연구의 목적은 재료분야 국내 공동특허의 공동 출원인 정보를 이용하여 연구협력 네트워크의 구조, 특징, 진화를 탐구하는 것이다. 이를 위해 재료 기술분야(금속, 세라믹, 고분자 등 6개 기술분야) 및 혁신주체(산업계, 학계, 연구계)의 네트워크 구조 및 동태를 정량적으로 분석하며, 2010년∼2021년까지 한국의 공동특허 데이터를 활용하여 소셜네트워크 분석(SNA)을 사용한다. 분석결과, 재료분야는 세부기술별로 네트워크의 차별점이 존재하며, 산업계, 학계, 연구계 등 혁신주체별 협력 강도의 명백한 단계별 특성을 가진다. 연구협력 네트워크의 규모는 점차 확장되어 ‘작은 세계’ 구조를 보여주고 있다. 본 연구를 통해 재료 정책 관점에서 지금까지 시행된 재료분야 산학연 협력 정책의 효과를 파악하는데 정책적 시사점을 제공함과 동시에, 보다 효과적인 재료 혁신주체 간의 네트워크를 구축하기 위한 근거 기반의 정책 수립에 도움이 될 수 있다.
Abstract
The purpose of this study is to explore the structure, characteristics, and evolution of research cooperation networks using information on co-applicants of domestic joint patents in the materials field. To this end, we quantitatively analyze the network structure and dynamics of the materials technology field (six technology fields including metals, ceramics, and polymers) and innovation entities (industry, academia, and research) with joint patent data in Korea from 2010 to 2021 using social network analysis (SNA). As a result of the analysis, the materials field has network differentiation by detailed technology, and has clear stage-specific characteristics of the intensity of cooperation by innovation entities such as industry, academia, and research. The size of the patent cooperation network is gradually expanding, showing a ‘small world’ structure. Through this study, we hope to provide policy implications in understanding the effects of industry-academia-research cooperation policies in the materials field that have been implemented so far from a materials policy perspective, and to help establish evidence-based policies to build a more effective network among material innovation entities. Key Words:Materials Technology; Patent cooperation network; Social network analysis(SNA); Cooperation type, IPC code
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