Inventor

KIM JONG-HAWK

KR2 patents

Patents

2 patents

US7001538B2Feb 21, 2006

PTC composition and PTC device comprising the same

SHINWHA INTERTEK CORP16 citations80

US6828362B1Dec 7, 2004

PTC composition and PTC device comprising it

SHINWHA INTERTEK CORP12 citations70