The Journal of Engineering Geology (지질공학)

The Korean Society of Engineering Geology (대한지질공학회)
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Technical Trends and Patent Analysis for Reaming Bits

확공비트의 기술동향 및 특허분석

  • Received : 2013.04.24
  • Accepted : 2013.06.20
  • Published : 2013.06.30
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Abstract

We analyzed the patent trends for whole drilling bits to reveal the main R&D directions, focusing on patents applied for and registered in Korea, the USA, Japan, and Europe. The technology was classified into two groups as a primary classification step (reaming systems and fixed systems), and into seven groups as a secondary classification step (sliding, odex, horizontal pivot, vertical pivot, concentric, eccentric, and etc.). A total of 33,614 patents were retrieved and 870 patents were selected for final effective analysis by data deduplication and filtering. A portfolio analysis using the correlation between the number of patents and the applicants for each patents revealed a sliding system as the key technology with greatest growth potential. From an analysis of the barriers to patents being granted, we emphasize the need to avoid similar topics existing patents or patent applications and to develop differential technology.

본 연구에서는 확공비트에 대한 향후 연구개발 방향을 설정하기 위하여 전체 굴착비트에 대한 한국, 미국, 일본 및 유럽에서의 출원 공개/등록된 특허를 중심으로 특허 동향을 분석하였다. 굴착비트를 대상으로 1차적으로 굴착기능에 따라 확공구조와 고정구조로 분류하고, 2차적으로 굴착방식에 따라 슬라이딩 구조, 컨센트릭 구조 등 7가지로 분류하였다. 특허 검색 결과 총 33,614개가 검색되었으며 중복제거 및 필터링을 통하여 870건의 유효 분석대상 특허를 선별하였다. 특허건수와 출원인수의 상관관계를 이용한 포트폴리오 분석 결과 성장가능성이 가장 높다고 판단되는 슬라이딩구조를 핵심기술로 선정하였으며 이에 대한 특허장벽 분석을 통하여 핵심기술과 유사성이 높은 특허가 있을 경우 회피설계 및 타기술과 차별화된 기술 개발할 수 있는 기초자료를 제시하였다.

Keywords

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