http://www.kipo.go.kr/kpo2/user.tdf?a=user.english.main.BoardApp&catmenu=ek
http://www.kipi.or.kr/
http://www.kipris.or.kr/new_kipris/index.jsp
http://kpa.kipris.or.kr/kpa/LO/LOIN0000Fram.jsp?searchType=A
http://kposd.kipo.go.kr:8088/up/kpion/

South Korea has an English language abstract patent database covering Korean national patent applications only.

Coverage is from January 1979 for Registered Applications and from January 2000 for Unexamined Applications.

KIPRIS - Korea Industrial Property Rights Information Service

K-PION - Korean Patent Information Online Network- Online File Inspection