패밀리특허 검색결과
Status	Patent	Country	KIPRIS
Registered	전계 방출 장치	KOREA
Registered	전계 방출 장치	KOREA
Registered	전계 방출 장치	KOREA
Registered	전계 방출 장치	KOREA
Registered	FIELD EMISSION DEVICE	UNITED STATES
Registered	FIELD EMISSION DEVICE	UNITED STATES
Registered	FIELD EMISSION DEVICE	UNITED STATES
Registered	FIELD EMISSION DEVICE	UNITED STATES