This research is to understand the technology trends through the patent analysis of road pavement rehabilitation techniques. The target patents are open and registered from 1970's to 2010. It has been drawn the vulnerable technology part as a result of classifying and analyzing each patent by country, type of technology about the technology trends of rehabilitation techniques in the road fi

• 오주(공학박사, 특허청 심사관) | Oh, Ju
• 이재욱(서울시립대학교 토목공학과, 박사과정) | Lee, Jae Uk
• 김후승(서울시립대학교 토목공학과, 박사과정) | Kim, Hu Seung
• 정희영(시립대학교 토목공학과 교수) | Jung, Hie Young