국내·외 파력발전 특허의 경쟁구도에 관한 분석 연구

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.