This is the competitive structure of the wave power is studied thru patent information analysis with using of DWPI. The competitive structure is analyzed with worldwide patent pending(resistration) by year-on-year and patent pending(resistration) by nationality and IPC patent pending(resistration) current status by nationality and with technology development change of IPC patent pending(resistration) by nationality and the present condition of yesr-on-year patent pending(resistration) of main nations.

Abstract
 1. 서론
 2. 전 세계 특허출원(등록) 추이
  2.1 연도별 특허출원(등록) 추이
  2.2 국적별 특허동향
 3. 기술개발 추이
  3.1 기술분류별 국가별 출원(등록) 현황
  3.2 연도별 주요국 특허출원(등록) 현황
  3.3 주요국의 기술위치
  3.4 주요 국가별 피인용비와 시장력 확보지수
  3.5 특허 포트폴리오 분석
 4. 출원인 동향
  4.1 다출원인 순위
  4.2 우수 출원인 순위
 5. 분석결과
 참고문헌

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